Home / 38,585.18-57,719.88-29,155.10

Finding the Fourth Proportional to 38,585.18, 57,719.88 and 29,155.10

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Solution

The fourth proportional to 38,585.18, 57,719.88 and 29,155.10 is: 43,613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,585.18 : 57,719.88 = 29,155.10 : x
  2. Step 2: Convert to fraction form
    38,585.18/57,719.88 = 29,155.10/x
  3. Step 3: Cross multiply
    38,585.18x = 57,719.88 × 29,155.10
  4. Step 4: Simplify right side
    38,585.18x = 1,682,829,017.69
  5. Step 5: Solve for x
    x = 1,682,829,017.69/38,585.18
  6. Step 6: Final answer
    x = 43,613.35

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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.