Home / 31,959.38-44,104.17-18,343.80

Finding the Fourth Proportional to 31,959.38, 44,104.17 and 18,343.80

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Solution

The fourth proportional to 31,959.38, 44,104.17 and 18,343.80 is: 25,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,959.38 : 44,104.17 = 18,343.80 : x
  2. Step 2: Convert to fraction form
    31,959.38/44,104.17 = 18,343.80/x
  3. Step 3: Cross multiply
    31,959.38x = 44,104.17 × 18,343.80
  4. Step 4: Simplify right side
    31,959.38x = 809,038,073.65
  5. Step 5: Solve for x
    x = 809,038,073.65/31,959.38
  6. Step 6: Final answer
    x = 25,314.58

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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.