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Finding the Fourth Proportional to 51,459.88, 77,189.65 and 33,801.97

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Solution

The fourth proportional to 51,459.88, 77,189.65 and 33,801.97 is: 50,702.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,459.88 : 77,189.65 = 33,801.97 : x
  2. Step 2: Convert to fraction form
    51,459.88/77,189.65 = 33,801.97/x
  3. Step 3: Cross multiply
    51,459.88x = 77,189.65 × 33,801.97
  4. Step 4: Simplify right side
    51,459.88x = 2,609,162,233.61
  5. Step 5: Solve for x
    x = 2,609,162,233.61/51,459.88
  6. Step 6: Final answer
    x = 50,702.84

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1.5x scale

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.