Home / 61,721.11-85,175.25-33,426.80

Finding the Fourth Proportional to 61,721.11, 85,175.25 and 33,426.80

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Solution

The fourth proportional to 61,721.11, 85,175.25 and 33,426.80 is: 46,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,721.11 : 85,175.25 = 33,426.80 : x
  2. Step 2: Convert to fraction form
    61,721.11/85,175.25 = 33,426.80/x
  3. Step 3: Cross multiply
    61,721.11x = 85,175.25 × 33,426.80
  4. Step 4: Simplify right side
    61,721.11x = 2,847,136,046.70
  5. Step 5: Solve for x
    x = 2,847,136,046.70/61,721.11
  6. Step 6: Final answer
    x = 46,129.05

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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.