Home / 38,764.68-58,110.10-12,450.97

Finding the Fourth Proportional to 38,764.68, 58,110.10 and 12,450.97

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Solution

The fourth proportional to 38,764.68, 58,110.10 and 12,450.97 is: 18,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,764.68 : 58,110.10 = 12,450.97 : x
  2. Step 2: Convert to fraction form
    38,764.68/58,110.10 = 12,450.97/x
  3. Step 3: Cross multiply
    38,764.68x = 58,110.10 × 12,450.97
  4. Step 4: Simplify right side
    38,764.68x = 723,526,966.52
  5. Step 5: Solve for x
    x = 723,526,966.52/38,764.68
  6. Step 6: Final answer
    x = 18,664.60

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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.