Home / 31,269.62-43,141.28-17,831.18

Finding the Fourth Proportional to 31,269.62, 43,141.28 and 17,831.18

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Solution

The fourth proportional to 31,269.62, 43,141.28 and 17,831.18 is: 24,600.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,269.62 : 43,141.28 = 17,831.18 : x
  2. Step 2: Convert to fraction form
    31,269.62/43,141.28 = 17,831.18/x
  3. Step 3: Cross multiply
    31,269.62x = 43,141.28 × 17,831.18
  4. Step 4: Simplify right side
    31,269.62x = 769,259,929.11
  5. Step 5: Solve for x
    x = 769,259,929.11/31,269.62
  6. Step 6: Final answer
    x = 24,600.87

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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.