Home / 57,644.20-86,498.70-31,350.79

Finding the Fourth Proportional to 57,644.20, 86,498.70 and 31,350.79

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Solution

The fourth proportional to 57,644.20, 86,498.70 and 31,350.79 is: 47,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,644.20 : 86,498.70 = 31,350.79 : x
  2. Step 2: Convert to fraction form
    57,644.20/86,498.70 = 31,350.79/x
  3. Step 3: Cross multiply
    57,644.20x = 86,498.70 × 31,350.79
  4. Step 4: Simplify right side
    57,644.20x = 2,711,802,362.73
  5. Step 5: Solve for x
    x = 2,711,802,362.73/57,644.20
  6. Step 6: Final answer
    x = 47,043.80

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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.