Home / 30,217.80-45,326.70-29,999.10

Finding the Fourth Proportional to 30,217.80, 45,326.70 and 29,999.10

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Solution

The fourth proportional to 30,217.80, 45,326.70 and 29,999.10 is: 44,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,217.80 : 45,326.70 = 29,999.10 : x
  2. Step 2: Convert to fraction form
    30,217.80/45,326.70 = 29,999.10/x
  3. Step 3: Cross multiply
    30,217.80x = 45,326.70 × 29,999.10
  4. Step 4: Simplify right side
    30,217.80x = 1,359,760,205.97
  5. Step 5: Solve for x
    x = 1,359,760,205.97/30,217.80
  6. Step 6: Final answer
    x = 44,998.65

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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.