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Finding the Fourth Proportional to 52,503.78, 78,668.02 and 36,893.46

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Solution

The fourth proportional to 52,503.78, 78,668.02 and 36,893.46 is: 55,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,503.78 : 78,668.02 = 36,893.46 : x
  2. Step 2: Convert to fraction form
    52,503.78/78,668.02 = 36,893.46/x
  3. Step 3: Cross multiply
    52,503.78x = 78,668.02 × 36,893.46
  4. Step 4: Simplify right side
    52,503.78x = 2,902,335,449.15
  5. Step 5: Solve for x
    x = 2,902,335,449.15/52,503.78
  6. Step 6: Final answer
    x = 55,278.60

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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.