Home / 57,418.20-86,144.80-29,357.96

Finding the Fourth Proportional to 57,418.20, 86,144.80 and 29,357.96

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Solution

The fourth proportional to 57,418.20, 86,144.80 and 29,357.96 is: 44,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,418.20 : 86,144.80 = 29,357.96 : x
  2. Step 2: Convert to fraction form
    57,418.20/86,144.80 = 29,357.96/x
  3. Step 3: Cross multiply
    57,418.20x = 86,144.80 × 29,357.96
  4. Step 4: Simplify right side
    57,418.20x = 2,529,035,592.61
  5. Step 5: Solve for x
    x = 2,529,035,592.61/57,418.20
  6. Step 6: Final answer
    x = 44,045.89

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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.