Home / 57,354.83-79,162.31-31,869.95

Finding the Fourth Proportional to 57,354.83, 79,162.31 and 31,869.95

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Solution

The fourth proportional to 57,354.83, 79,162.31 and 31,869.95 is: 43,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,354.83 : 79,162.31 = 31,869.95 : x
  2. Step 2: Convert to fraction form
    57,354.83/79,162.31 = 31,869.95/x
  3. Step 3: Cross multiply
    57,354.83x = 79,162.31 × 31,869.95
  4. Step 4: Simplify right side
    57,354.83x = 2,522,898,306.42
  5. Step 5: Solve for x
    x = 2,522,898,306.42/57,354.83
  6. Step 6: Final answer
    x = 43,987.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.