Home / 38,380.22-57,565.29-12,085.10

Finding the Fourth Proportional to 38,380.22, 57,565.29 and 12,085.10

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Solution

The fourth proportional to 38,380.22, 57,565.29 and 12,085.10 is: 18,126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,380.22 : 57,565.29 = 12,085.10 : x
  2. Step 2: Convert to fraction form
    38,380.22/57,565.29 = 12,085.10/x
  3. Step 3: Cross multiply
    38,380.22x = 57,565.29 × 12,085.10
  4. Step 4: Simplify right side
    38,380.22x = 695,682,286.18
  5. Step 5: Solve for x
    x = 695,682,286.18/38,380.22
  6. Step 6: Final answer
    x = 18,126.06

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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.