Home / 38,411.92-57,617.20-13,451.42

Finding the Fourth Proportional to 38,411.92, 57,617.20 and 13,451.42

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Solution

The fourth proportional to 38,411.92, 57,617.20 and 13,451.42 is: 20,176.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,411.92 : 57,617.20 = 13,451.42 : x
  2. Step 2: Convert to fraction form
    38,411.92/57,617.20 = 13,451.42/x
  3. Step 3: Cross multiply
    38,411.92x = 57,617.20 × 13,451.42
  4. Step 4: Simplify right side
    38,411.92x = 775,032,955.35
  5. Step 5: Solve for x
    x = 775,032,955.35/38,411.92
  6. Step 6: Final answer
    x = 20,176.89

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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.