Home / 63,539.87-87,688.67-38,397.47

Finding the Fourth Proportional to 63,539.87, 87,688.67 and 38,397.47

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Solution

The fourth proportional to 63,539.87, 87,688.67 and 38,397.47 is: 52,990.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,539.87 : 87,688.67 = 38,397.47 : x
  2. Step 2: Convert to fraction form
    63,539.87/87,688.67 = 38,397.47/x
  3. Step 3: Cross multiply
    63,539.87x = 87,688.67 × 38,397.47
  4. Step 4: Simplify right side
    63,539.87x = 3,367,022,445.23
  5. Step 5: Solve for x
    x = 3,367,022,445.23/63,539.87
  6. Step 6: Final answer
    x = 52,990.71

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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.