Home / 30,333,517.40-45,500,276.10-21,830,461.40

Finding the Fourth Proportional to 30,333,517.40, 45,500,276.10 and 21,830,461.40

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Solution

The fourth proportional to 30,333,517.40, 45,500,276.10 and 21,830,461.40 is: 32,745,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,333,517.40 : 45,500,276.10 = 21,830,461.40 : x
  2. Step 2: Convert to fraction form
    30,333,517.40/45,500,276.10 = 21,830,461.40/x
  3. Step 3: Cross multiply
    30,333,517.40x = 45,500,276.10 × 21,830,461.40
  4. Step 4: Simplify right side
    30,333,517.40x = 993,292,021,090,392.50
  5. Step 5: Solve for x
    x = 993,292,021,090,392.50/30,333,517.40
  6. Step 6: Final answer
    x = 32,745,692.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.