Home / 49,186.40-73,761.60-15,915.20

Finding the Fourth Proportional to 49,186.40, 73,761.60 and 15,915.20

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Solution

The fourth proportional to 49,186.40, 73,761.60 and 15,915.20 is: 23,866.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,186.40 : 73,761.60 = 15,915.20 : x
  2. Step 2: Convert to fraction form
    49,186.40/73,761.60 = 15,915.20/x
  3. Step 3: Cross multiply
    49,186.40x = 73,761.60 × 15,915.20
  4. Step 4: Simplify right side
    49,186.40x = 1,173,930,616.32
  5. Step 5: Solve for x
    x = 1,173,930,616.32/49,186.40
  6. Step 6: Final answer
    x = 23,866.98

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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.