Home / 67,540.29-101,310.49-17,620.33

Finding the Fourth Proportional to 67,540.29, 101,310.49 and 17,620.33

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Solution

The fourth proportional to 67,540.29, 101,310.49 and 17,620.33 is: 26,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,540.29 : 101,310.49 = 17,620.33 : x
  2. Step 2: Convert to fraction form
    67,540.29/101,310.49 = 17,620.33/x
  3. Step 3: Cross multiply
    67,540.29x = 101,310.49 × 17,620.33
  4. Step 4: Simplify right side
    67,540.29x = 1,785,124,266.26
  5. Step 5: Solve for x
    x = 1,785,124,266.26/67,540.29
  6. Step 6: Final answer
    x = 26,430.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.