Home / 52,531.68-72,491.04-28,657.20

Finding the Fourth Proportional to 52,531.68, 72,491.04 and 28,657.20

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Solution

The fourth proportional to 52,531.68, 72,491.04 and 28,657.20 is: 39,545.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,531.68 : 72,491.04 = 28,657.20 : x
  2. Step 2: Convert to fraction form
    52,531.68/72,491.04 = 28,657.20/x
  3. Step 3: Cross multiply
    52,531.68x = 72,491.04 × 28,657.20
  4. Step 4: Simplify right side
    52,531.68x = 2,077,390,231.49
  5. Step 5: Solve for x
    x = 2,077,390,231.49/52,531.68
  6. Step 6: Final answer
    x = 39,545.47

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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.