Home / 48,422.78-72,770.25-28,704.14

Finding the Fourth Proportional to 48,422.78, 72,770.25 and 28,704.14

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Solution

The fourth proportional to 48,422.78, 72,770.25 and 28,704.14 is: 43,136.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,422.78 : 72,770.25 = 28,704.14 : x
  2. Step 2: Convert to fraction form
    48,422.78/72,770.25 = 28,704.14/x
  3. Step 3: Cross multiply
    48,422.78x = 72,770.25 × 28,704.14
  4. Step 4: Simplify right side
    48,422.78x = 2,088,807,443.84
  5. Step 5: Solve for x
    x = 2,088,807,443.84/48,422.78
  6. Step 6: Final answer
    x = 43,136.88

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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.