Home / 48,372.57-72,586.86-20,290.11

Finding the Fourth Proportional to 48,372.57, 72,586.86 and 20,290.11

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Solution

The fourth proportional to 48,372.57, 72,586.86 and 20,290.11 is: 30,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,372.57 : 72,586.86 = 20,290.11 : x
  2. Step 2: Convert to fraction form
    48,372.57/72,586.86 = 20,290.11/x
  3. Step 3: Cross multiply
    48,372.57x = 72,586.86 × 20,290.11
  4. Step 4: Simplify right side
    48,372.57x = 1,472,795,373.95
  5. Step 5: Solve for x
    x = 1,472,795,373.95/48,372.57
  6. Step 6: Final answer
    x = 30,446.91

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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.