Home / 45,071.68-62,178.24-29,161.30

Finding the Fourth Proportional to 45,071.68, 62,178.24 and 29,161.30

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Solution

The fourth proportional to 45,071.68, 62,178.24 and 29,161.30 is: 40,229.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,071.68 : 62,178.24 = 29,161.30 : x
  2. Step 2: Convert to fraction form
    45,071.68/62,178.24 = 29,161.30/x
  3. Step 3: Cross multiply
    45,071.68x = 62,178.24 × 29,161.30
  4. Step 4: Simplify right side
    45,071.68x = 1,813,198,310.11
  5. Step 5: Solve for x
    x = 1,813,198,310.11/45,071.68
  6. Step 6: Final answer
    x = 40,229.22

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.