Home / 40,306.12-60,451.30-38,305.75

Finding the Fourth Proportional to 40,306.12, 60,451.30 and 38,305.75

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Solution

The fourth proportional to 40,306.12, 60,451.30 and 38,305.75 is: 57,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,306.12 : 60,451.30 = 38,305.75 : x
  2. Step 2: Convert to fraction form
    40,306.12/60,451.30 = 38,305.75/x
  3. Step 3: Cross multiply
    40,306.12x = 60,451.30 × 38,305.75
  4. Step 4: Simplify right side
    40,306.12x = 2,315,632,384.98
  5. Step 5: Solve for x
    x = 2,315,632,384.98/40,306.12
  6. Step 6: Final answer
    x = 57,451.14

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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.