Home / 52,139.13-71,951.56-28,265.19

Finding the Fourth Proportional to 52,139.13, 71,951.56 and 28,265.19

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Solution

The fourth proportional to 52,139.13, 71,951.56 and 28,265.19 is: 39,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,139.13 : 71,951.56 = 28,265.19 : x
  2. Step 2: Convert to fraction form
    52,139.13/71,951.56 = 28,265.19/x
  3. Step 3: Cross multiply
    52,139.13x = 71,951.56 × 28,265.19
  4. Step 4: Simplify right side
    52,139.13x = 2,033,724,514.20
  5. Step 5: Solve for x
    x = 2,033,724,514.20/52,139.13
  6. Step 6: Final answer
    x = 39,005.72

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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.