Home / 38,639.76-57,874.00-29,689.21

Finding the Fourth Proportional to 38,639.76, 57,874.00 and 29,689.21

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Solution

The fourth proportional to 38,639.76, 57,874.00 and 29,689.21 is: 44,468.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639.76 : 57,874.00 = 29,689.21 : x
  2. Step 2: Convert to fraction form
    38,639.76/57,874.00 = 29,689.21/x
  3. Step 3: Cross multiply
    38,639.76x = 57,874.00 × 29,689.21
  4. Step 4: Simplify right side
    38,639.76x = 1,718,233,176.19
  5. Step 5: Solve for x
    x = 1,718,233,176.19/38,639.76
  6. Step 6: Final answer
    x = 44,468.01

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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.