Home / 41,158.54-61,731.37-13,074.90

Finding the Fourth Proportional to 41,158.54, 61,731.37 and 13,074.90

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Solution

The fourth proportional to 41,158.54, 61,731.37 and 13,074.90 is: 19,610.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,158.54 : 61,731.37 = 13,074.90 : x
  2. Step 2: Convert to fraction form
    41,158.54/61,731.37 = 13,074.90/x
  3. Step 3: Cross multiply
    41,158.54x = 61,731.37 × 13,074.90
  4. Step 4: Simplify right side
    41,158.54x = 807,131,489.61
  5. Step 5: Solve for x
    x = 807,131,489.61/41,158.54
  6. Step 6: Final answer
    x = 19,610.31

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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.