Home / 38,672.80-58,009.56-12,376.96

Finding the Fourth Proportional to 38,672.80, 58,009.56 and 12,376.96

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Solution

The fourth proportional to 38,672.80, 58,009.56 and 12,376.96 is: 18,565.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,672.80 : 58,009.56 = 12,376.96 : x
  2. Step 2: Convert to fraction form
    38,672.80/58,009.56 = 12,376.96/x
  3. Step 3: Cross multiply
    38,672.80x = 58,009.56 × 12,376.96
  4. Step 4: Simplify right side
    38,672.80x = 717,982,003.74
  5. Step 5: Solve for x
    x = 717,982,003.74/38,672.80
  6. Step 6: Final answer
    x = 18,565.56

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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.