Home / 51,841.35-77,774.36-16,781.00

Finding the Fourth Proportional to 51,841.35, 77,774.36 and 16,781.00

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Solution

The fourth proportional to 51,841.35, 77,774.36 and 16,781.00 is: 25,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,841.35 : 77,774.36 = 16,781.00 : x
  2. Step 2: Convert to fraction form
    51,841.35/77,774.36 = 16,781.00/x
  3. Step 3: Cross multiply
    51,841.35x = 77,774.36 × 16,781.00
  4. Step 4: Simplify right side
    51,841.35x = 1,305,131,062.38
  5. Step 5: Solve for x
    x = 1,305,131,062.38/51,841.35
  6. Step 6: Final answer
    x = 25,175.48

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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.