Home / 41,239.96-61,856.42-13,158.88

Finding the Fourth Proportional to 41,239.96, 61,856.42 and 13,158.88

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Solution

The fourth proportional to 41,239.96, 61,856.42 and 13,158.88 is: 19,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,239.96 : 61,856.42 = 13,158.88 : x
  2. Step 2: Convert to fraction form
    41,239.96/61,856.42 = 13,158.88/x
  3. Step 3: Cross multiply
    41,239.96x = 61,856.42 × 13,158.88
  4. Step 4: Simplify right side
    41,239.96x = 813,961,208.01
  5. Step 5: Solve for x
    x = 813,961,208.01/41,239.96
  6. Step 6: Final answer
    x = 19,737.20

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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.