Home / 52,149.14-71,965.50-28,275.74

Finding the Fourth Proportional to 52,149.14, 71,965.50 and 28,275.74

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Solution

The fourth proportional to 52,149.14, 71,965.50 and 28,275.74 is: 39,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,149.14 : 71,965.50 = 28,275.74 : x
  2. Step 2: Convert to fraction form
    52,149.14/71,965.50 = 28,275.74/x
  3. Step 3: Cross multiply
    52,149.14x = 71,965.50 × 28,275.74
  4. Step 4: Simplify right side
    52,149.14x = 2,034,877,766.97
  5. Step 5: Solve for x
    x = 2,034,877,766.97/52,149.14
  6. Step 6: Final answer
    x = 39,020.35

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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.