Home / 31,539.92-43,527.24-18,291.92

Finding the Fourth Proportional to 31,539.92, 43,527.24 and 18,291.92

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Solution

The fourth proportional to 31,539.92, 43,527.24 and 18,291.92 is: 25,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539.92 : 43,527.24 = 18,291.92 : x
  2. Step 2: Convert to fraction form
    31,539.92/43,527.24 = 18,291.92/x
  3. Step 3: Cross multiply
    31,539.92x = 43,527.24 × 18,291.92
  4. Step 4: Simplify right side
    31,539.92x = 796,196,791.90
  5. Step 5: Solve for x
    x = 796,196,791.90/31,539.92
  6. Step 6: Final answer
    x = 25,244.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.