Home / 40,785.06-61,170.30-25,949.91

Finding the Fourth Proportional to 40,785.06, 61,170.30 and 25,949.91

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Solution

The fourth proportional to 40,785.06, 61,170.30 and 25,949.91 is: 38,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,785.06 : 61,170.30 = 25,949.91 : x
  2. Step 2: Convert to fraction form
    40,785.06/61,170.30 = 25,949.91/x
  3. Step 3: Cross multiply
    40,785.06x = 61,170.30 × 25,949.91
  4. Step 4: Simplify right side
    40,785.06x = 1,587,363,344.07
  5. Step 5: Solve for x
    x = 1,587,363,344.07/40,785.06
  6. Step 6: Final answer
    x = 38,920.22

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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.