Home / 31,959.20-44,103.08-18,531.70

Finding the Fourth Proportional to 31,959.20, 44,103.08 and 18,531.70

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Solution

The fourth proportional to 31,959.20, 44,103.08 and 18,531.70 is: 25,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,959.20 : 44,103.08 = 18,531.70 : x
  2. Step 2: Convert to fraction form
    31,959.20/44,103.08 = 18,531.70/x
  3. Step 3: Cross multiply
    31,959.20x = 44,103.08 × 18,531.70
  4. Step 4: Simplify right side
    31,959.20x = 817,305,047.64
  5. Step 5: Solve for x
    x = 817,305,047.64/31,959.20
  6. Step 6: Final answer
    x = 25,573.39

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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.