Home / 48,372.73-72,587.12-20,290.28

Finding the Fourth Proportional to 48,372.73, 72,587.12 and 20,290.28

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Solution

The fourth proportional to 48,372.73, 72,587.12 and 20,290.28 is: 30,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,372.73 : 72,587.12 = 20,290.28 : x
  2. Step 2: Convert to fraction form
    48,372.73/72,587.12 = 20,290.28/x
  3. Step 3: Cross multiply
    48,372.73x = 72,587.12 × 20,290.28
  4. Step 4: Simplify right side
    48,372.73x = 1,472,812,989.19
  5. Step 5: Solve for x
    x = 1,472,812,989.19/48,372.73
  6. Step 6: Final answer
    x = 30,447.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.