Home / 44,123.52-66,192.60-20,454.78

Finding the Fourth Proportional to 44,123.52, 66,192.60 and 20,454.78

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Solution

The fourth proportional to 44,123.52, 66,192.60 and 20,454.78 is: 30,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,123.52 : 66,192.60 = 20,454.78 : x
  2. Step 2: Convert to fraction form
    44,123.52/66,192.60 = 20,454.78/x
  3. Step 3: Cross multiply
    44,123.52x = 66,192.60 × 20,454.78
  4. Step 4: Simplify right side
    44,123.52x = 1,353,955,070.63
  5. Step 5: Solve for x
    x = 1,353,955,070.63/44,123.52
  6. Step 6: Final answer
    x = 30,685.56

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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.