Home / 47,760.17-71,541.78-27,978.75

Finding the Fourth Proportional to 47,760.17, 71,541.78 and 27,978.75

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Solution

The fourth proportional to 47,760.17, 71,541.78 and 27,978.75 is: 41,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,760.17 : 71,541.78 = 27,978.75 : x
  2. Step 2: Convert to fraction form
    47,760.17/71,541.78 = 27,978.75/x
  3. Step 3: Cross multiply
    47,760.17x = 71,541.78 × 27,978.75
  4. Step 4: Simplify right side
    47,760.17x = 2,001,649,577.18
  5. Step 5: Solve for x
    x = 2,001,649,577.18/47,760.17
  6. Step 6: Final answer
    x = 41,910.44

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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.