Home / 31,251.10-43,126.77-17,104.06

Finding the Fourth Proportional to 31,251.10, 43,126.77 and 17,104.06

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Solution

The fourth proportional to 31,251.10, 43,126.77 and 17,104.06 is: 23,603.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251.10 : 43,126.77 = 17,104.06 : x
  2. Step 2: Convert to fraction form
    31,251.10/43,126.77 = 17,104.06/x
  3. Step 3: Cross multiply
    31,251.10x = 43,126.77 × 17,104.06
  4. Step 4: Simplify right side
    31,251.10x = 737,642,861.69
  5. Step 5: Solve for x
    x = 737,642,861.69/31,251.10
  6. Step 6: Final answer
    x = 23,603.74

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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.