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Finding the Fourth Proportional to 30,341.20, 45,504.50 and 15,542.50

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Solution

The fourth proportional to 30,341.20, 45,504.50 and 15,542.50 is: 23,310.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,341.20 : 45,504.50 = 15,542.50 : x
  2. Step 2: Convert to fraction form
    30,341.20/45,504.50 = 15,542.50/x
  3. Step 3: Cross multiply
    30,341.20x = 45,504.50 × 15,542.50
  4. Step 4: Simplify right side
    30,341.20x = 707,253,616.34
  5. Step 5: Solve for x
    x = 707,253,616.34/30,341.20
  6. Step 6: Final answer
    x = 23,310.01

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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.