Home / 57,585.12-86,423.76-29,891.04

Finding the Fourth Proportional to 57,585.12, 86,423.76 and 29,891.04

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Solution

The fourth proportional to 57,585.12, 86,423.76 and 29,891.04 is: 44,860.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,585.12 : 86,423.76 = 29,891.04 : x
  2. Step 2: Convert to fraction form
    57,585.12/86,423.76 = 29,891.04/x
  3. Step 3: Cross multiply
    57,585.12x = 86,423.76 × 29,891.04
  4. Step 4: Simplify right side
    57,585.12x = 2,583,296,067.11
  5. Step 5: Solve for x
    x = 2,583,296,067.11/57,585.12
  6. Step 6: Final answer
    x = 44,860.48

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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.