Home / 31,161.06-43,002.24-17,013.92

Finding the Fourth Proportional to 31,161.06, 43,002.24 and 17,013.92

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Solution

The fourth proportional to 31,161.06, 43,002.24 and 17,013.92 is: 23,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.06 : 43,002.24 = 17,013.92 : x
  2. Step 2: Convert to fraction form
    31,161.06/43,002.24 = 17,013.92/x
  3. Step 3: Cross multiply
    31,161.06x = 43,002.24 × 17,013.92
  4. Step 4: Simplify right side
    31,161.06x = 731,636,671.18
  5. Step 5: Solve for x
    x = 731,636,671.18/31,161.06
  6. Step 6: Final answer
    x = 23,479.20

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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.