Home / 31,761.75-43,831.47-17,614.61

Finding the Fourth Proportional to 31,761.75, 43,831.47 and 17,614.61

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Solution

The fourth proportional to 31,761.75, 43,831.47 and 17,614.61 is: 24,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,761.75 : 43,831.47 = 17,614.61 : x
  2. Step 2: Convert to fraction form
    31,761.75/43,831.47 = 17,614.61/x
  3. Step 3: Cross multiply
    31,761.75x = 43,831.47 × 17,614.61
  4. Step 4: Simplify right side
    31,761.75x = 772,074,030.62
  5. Step 5: Solve for x
    x = 772,074,030.62/31,761.75
  6. Step 6: Final answer
    x = 24,308.30

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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.