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Finding the Fourth Proportional to 50,503.76, 75,753.84 and 15,443.60

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Solution

The fourth proportional to 50,503.76, 75,753.84 and 15,443.60 is: 23,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,503.76 : 75,753.84 = 15,443.60 : x
  2. Step 2: Convert to fraction form
    50,503.76/75,753.84 = 15,443.60/x
  3. Step 3: Cross multiply
    50,503.76x = 75,753.84 × 15,443.60
  4. Step 4: Simplify right side
    50,503.76x = 1,169,912,003.42
  5. Step 5: Solve for x
    x = 1,169,912,003.42/50,503.76
  6. Step 6: Final answer
    x = 23,164.85

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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.