Home / 38,773.11-58,159.68-12,477.85

Finding the Fourth Proportional to 38,773.11, 58,159.68 and 12,477.85

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Solution

The fourth proportional to 38,773.11, 58,159.68 and 12,477.85 is: 18,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,773.11 : 58,159.68 = 12,477.85 : x
  2. Step 2: Convert to fraction form
    38,773.11/58,159.68 = 12,477.85/x
  3. Step 3: Cross multiply
    38,773.11x = 58,159.68 × 12,477.85
  4. Step 4: Simplify right side
    38,773.11x = 725,707,763.09
  5. Step 5: Solve for x
    x = 725,707,763.09/38,773.11
  6. Step 6: Final answer
    x = 18,716.78

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1.5x scale

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.