Home / 71,418.52-98,562.30-39,588.76

Finding the Fourth Proportional to 71,418.52, 98,562.30 and 39,588.76

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Solution

The fourth proportional to 71,418.52, 98,562.30 and 39,588.76 is: 54,635.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,418.52 : 98,562.30 = 39,588.76 : x
  2. Step 2: Convert to fraction form
    71,418.52/98,562.30 = 39,588.76/x
  3. Step 3: Cross multiply
    71,418.52x = 98,562.30 × 39,588.76
  4. Step 4: Simplify right side
    71,418.52x = 3,901,959,239.75
  5. Step 5: Solve for x
    x = 3,901,959,239.75/71,418.52
  6. Step 6: Final answer
    x = 54,635.12

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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.