Home / 38,909.40-58,383.18-13,951.41

Finding the Fourth Proportional to 38,909.40, 58,383.18 and 13,951.41

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Solution

The fourth proportional to 38,909.40, 58,383.18 and 13,951.41 is: 20,933.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,909.40 : 58,383.18 = 13,951.41 : x
  2. Step 2: Convert to fraction form
    38,909.40/58,383.18 = 13,951.41/x
  3. Step 3: Cross multiply
    38,909.40x = 58,383.18 × 13,951.41
  4. Step 4: Simplify right side
    38,909.40x = 814,527,681.28
  5. Step 5: Solve for x
    x = 814,527,681.28/38,909.40
  6. Step 6: Final answer
    x = 20,933.96

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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.