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Finding the Fourth Proportional to 51,892.80, 77,839.20 and 41,524.80

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Solution

The fourth proportional to 51,892.80, 77,839.20 and 41,524.80 is: 62,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,892.80 : 77,839.20 = 41,524.80 : x
  2. Step 2: Convert to fraction form
    51,892.80/77,839.20 = 41,524.80/x
  3. Step 3: Cross multiply
    51,892.80x = 77,839.20 × 41,524.80
  4. Step 4: Simplify right side
    51,892.80x = 3,232,257,212.16
  5. Step 5: Solve for x
    x = 3,232,257,212.16/51,892.80
  6. Step 6: Final answer
    x = 62,287.20

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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.