Home / 57,731.46-86,642.49-29,650.38

Finding the Fourth Proportional to 57,731.46, 86,642.49 and 29,650.38

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Solution

The fourth proportional to 57,731.46, 86,642.49 and 29,650.38 is: 44,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,731.46 : 86,642.49 = 29,650.38 : x
  2. Step 2: Convert to fraction form
    57,731.46/86,642.49 = 29,650.38/x
  3. Step 3: Cross multiply
    57,731.46x = 86,642.49 × 29,650.38
  4. Step 4: Simplify right side
    57,731.46x = 2,568,982,752.65
  5. Step 5: Solve for x
    x = 2,568,982,752.65/57,731.46
  6. Step 6: Final answer
    x = 44,498.84

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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.