Home / 36,881.28-55,327.40-13,505.88

Finding the Fourth Proportional to 36,881.28, 55,327.40 and 13,505.88

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Solution

The fourth proportional to 36,881.28, 55,327.40 and 13,505.88 is: 20,260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,881.28 : 55,327.40 = 13,505.88 : x
  2. Step 2: Convert to fraction form
    36,881.28/55,327.40 = 13,505.88/x
  3. Step 3: Cross multiply
    36,881.28x = 55,327.40 × 13,505.88
  4. Step 4: Simplify right side
    36,881.28x = 747,245,225.11
  5. Step 5: Solve for x
    x = 747,245,225.11/36,881.28
  6. Step 6: Final answer
    x = 20,260.83

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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.