Home / 38,512.11-57,767.70-12,217.08

Finding the Fourth Proportional to 38,512.11, 57,767.70 and 12,217.08

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Solution

The fourth proportional to 38,512.11, 57,767.70 and 12,217.08 is: 18,325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,512.11 : 57,767.70 = 12,217.08 : x
  2. Step 2: Convert to fraction form
    38,512.11/57,767.70 = 12,217.08/x
  3. Step 3: Cross multiply
    38,512.11x = 57,767.70 × 12,217.08
  4. Step 4: Simplify right side
    38,512.11x = 705,752,612.32
  5. Step 5: Solve for x
    x = 705,752,612.32/38,512.11
  6. Step 6: Final answer
    x = 18,325.47

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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.