Home / 52,490.75-72,438.23-28,618.43

Finding the Fourth Proportional to 52,490.75, 72,438.23 and 28,618.43

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Solution

The fourth proportional to 52,490.75, 72,438.23 and 28,618.43 is: 39,493.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,490.75 : 72,438.23 = 28,618.43 : x
  2. Step 2: Convert to fraction form
    52,490.75/72,438.23 = 28,618.43/x
  3. Step 3: Cross multiply
    52,490.75x = 72,438.23 × 28,618.43
  4. Step 4: Simplify right side
    52,490.75x = 2,073,068,123.93
  5. Step 5: Solve for x
    x = 2,073,068,123.93/52,490.75
  6. Step 6: Final answer
    x = 39,493.97

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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.