Home / 51,517.44-77,287.23-15,978.02

Finding the Fourth Proportional to 51,517.44, 77,287.23 and 15,978.02

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Solution

The fourth proportional to 51,517.44, 77,287.23 and 15,978.02 is: 23,970.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,517.44 : 77,287.23 = 15,978.02 : x
  2. Step 2: Convert to fraction form
    51,517.44/77,287.23 = 15,978.02/x
  3. Step 3: Cross multiply
    51,517.44x = 77,287.23 × 15,978.02
  4. Step 4: Simplify right side
    51,517.44x = 1,234,896,520.25
  5. Step 5: Solve for x
    x = 1,234,896,520.25/51,517.44
  6. Step 6: Final answer
    x = 23,970.46

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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.