Home / 52,136.22-71,947.92-28,262.70

Finding the Fourth Proportional to 52,136.22, 71,947.92 and 28,262.70

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Solution

The fourth proportional to 52,136.22, 71,947.92 and 28,262.70 is: 39,002.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,136.22 : 71,947.92 = 28,262.70 : x
  2. Step 2: Convert to fraction form
    52,136.22/71,947.92 = 28,262.70/x
  3. Step 3: Cross multiply
    52,136.22x = 71,947.92 × 28,262.70
  4. Step 4: Simplify right side
    52,136.22x = 2,033,442,478.58
  5. Step 5: Solve for x
    x = 2,033,442,478.58/52,136.22
  6. Step 6: Final answer
    x = 39,002.49

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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.