Home / 38,545.74-57,714.21-20,038.86

Finding the Fourth Proportional to 38,545.74, 57,714.21 and 20,038.86

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Solution

The fourth proportional to 38,545.74, 57,714.21 and 20,038.86 is: 30,004.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,545.74 : 57,714.21 = 20,038.86 : x
  2. Step 2: Convert to fraction form
    38,545.74/57,714.21 = 20,038.86/x
  3. Step 3: Cross multiply
    38,545.74x = 57,714.21 × 20,038.86
  4. Step 4: Simplify right side
    38,545.74x = 1,156,526,974.20
  5. Step 5: Solve for x
    x = 1,156,526,974.20/38,545.74
  6. Step 6: Final answer
    x = 30,004.02

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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.