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Finding the Fourth Proportional to 52,972.88, 79,459.16 and 33,265.26

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Solution

The fourth proportional to 52,972.88, 79,459.16 and 33,265.26 is: 49,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,972.88 : 79,459.16 = 33,265.26 : x
  2. Step 2: Convert to fraction form
    52,972.88/79,459.16 = 33,265.26/x
  3. Step 3: Cross multiply
    52,972.88x = 79,459.16 × 33,265.26
  4. Step 4: Simplify right side
    52,972.88x = 2,643,229,450.46
  5. Step 5: Solve for x
    x = 2,643,229,450.46/52,972.88
  6. Step 6: Final answer
    x = 49,897.79

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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.