Home / 38,989.88-58,476.40-12,337.96

Finding the Fourth Proportional to 38,989.88, 58,476.40 and 12,337.96

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Solution

The fourth proportional to 38,989.88, 58,476.40 and 12,337.96 is: 18,504.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,989.88 : 58,476.40 = 12,337.96 : x
  2. Step 2: Convert to fraction form
    38,989.88/58,476.40 = 12,337.96/x
  3. Step 3: Cross multiply
    38,989.88x = 58,476.40 × 12,337.96
  4. Step 4: Simplify right side
    38,989.88x = 721,479,484.14
  5. Step 5: Solve for x
    x = 721,479,484.14/38,989.88
  6. Step 6: Final answer
    x = 18,504.28

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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.