Home / 71,008.40-97,987.14-39,177.52

Finding the Fourth Proportional to 71,008.40, 97,987.14 and 39,177.52

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Solution

The fourth proportional to 71,008.40, 97,987.14 and 39,177.52 is: 54,062.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,008.40 : 97,987.14 = 39,177.52 : x
  2. Step 2: Convert to fraction form
    71,008.40/97,987.14 = 39,177.52/x
  3. Step 3: Cross multiply
    71,008.40x = 97,987.14 × 39,177.52
  4. Step 4: Simplify right side
    71,008.40x = 3,838,892,892.12
  5. Step 5: Solve for x
    x = 3,838,892,892.12/71,008.40
  6. Step 6: Final answer
    x = 54,062.52

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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.