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Finding the Fourth Proportional to 72,034.78, 108,048.26 and 22,114.88

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Solution

The fourth proportional to 72,034.78, 108,048.26 and 22,114.88 is: 33,171.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,034.78 : 108,048.26 = 22,114.88 : x
  2. Step 2: Convert to fraction form
    72,034.78/108,048.26 = 22,114.88/x
  3. Step 3: Cross multiply
    72,034.78x = 108,048.26 × 22,114.88
  4. Step 4: Simplify right side
    72,034.78x = 2,389,474,304.11
  5. Step 5: Solve for x
    x = 2,389,474,304.11/72,034.78
  6. Step 6: Final answer
    x = 33,171.12

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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.