Home / 38,630.31-57,933.19-36,108.71

Finding the Fourth Proportional to 38,630.31, 57,933.19 and 36,108.71

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Solution

The fourth proportional to 38,630.31, 57,933.19 and 36,108.71 is: 54,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,630.31 : 57,933.19 = 36,108.71 : x
  2. Step 2: Convert to fraction form
    38,630.31/57,933.19 = 36,108.71/x
  3. Step 3: Cross multiply
    38,630.31x = 57,933.19 × 36,108.71
  4. Step 4: Simplify right side
    38,630.31x = 2,091,892,465.31
  5. Step 5: Solve for x
    x = 2,091,892,465.31/38,630.31
  6. Step 6: Final answer
    x = 54,151.58

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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.