Home / 38,432.10-57,648.15-31,871.10

Finding the Fourth Proportional to 38,432.10, 57,648.15 and 31,871.10

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Solution

The fourth proportional to 38,432.10, 57,648.15 and 31,871.10 is: 47,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,432.10 : 57,648.15 = 31,871.10 : x
  2. Step 2: Convert to fraction form
    38,432.10/57,648.15 = 31,871.10/x
  3. Step 3: Cross multiply
    38,432.10x = 57,648.15 × 31,871.10
  4. Step 4: Simplify right side
    38,432.10x = 1,837,309,953.47
  5. Step 5: Solve for x
    x = 1,837,309,953.47/38,432.10
  6. Step 6: Final answer
    x = 47,806.65

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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.