Home / 31,535.52-43,517.16-18,104.64

Finding the Fourth Proportional to 31,535.52, 43,517.16 and 18,104.64

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Solution

The fourth proportional to 31,535.52, 43,517.16 and 18,104.64 is: 24,983.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.52 : 43,517.16 = 18,104.64 : x
  2. Step 2: Convert to fraction form
    31,535.52/43,517.16 = 18,104.64/x
  3. Step 3: Cross multiply
    31,535.52x = 43,517.16 × 18,104.64
  4. Step 4: Simplify right side
    31,535.52x = 787,862,515.62
  5. Step 5: Solve for x
    x = 787,862,515.62/31,535.52
  6. Step 6: Final answer
    x = 24,983.34

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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.