Home / 38,672.10-58,008.15-34,443.90

Finding the Fourth Proportional to 38,672.10, 58,008.15 and 34,443.90

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Solution

The fourth proportional to 38,672.10, 58,008.15 and 34,443.90 is: 51,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,672.10 : 58,008.15 = 34,443.90 : x
  2. Step 2: Convert to fraction form
    38,672.10/58,008.15 = 34,443.90/x
  3. Step 3: Cross multiply
    38,672.10x = 58,008.15 × 34,443.90
  4. Step 4: Simplify right side
    38,672.10x = 1,998,026,917.79
  5. Step 5: Solve for x
    x = 1,998,026,917.79/38,672.10
  6. Step 6: Final answer
    x = 51,665.85

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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.