Home / 71,519.16-107,294.94-38,221.68

Finding the Fourth Proportional to 71,519.16, 107,294.94 and 38,221.68

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Solution

The fourth proportional to 71,519.16, 107,294.94 and 38,221.68 is: 57,341.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,519.16 : 107,294.94 = 38,221.68 : x
  2. Step 2: Convert to fraction form
    71,519.16/107,294.94 = 38,221.68/x
  3. Step 3: Cross multiply
    71,519.16x = 107,294.94 × 38,221.68
  4. Step 4: Simplify right side
    71,519.16x = 4,100,992,862.30
  5. Step 5: Solve for x
    x = 4,100,992,862.30/71,519.16
  6. Step 6: Final answer
    x = 57,341.18

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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.