Home / 57,517.76-86,280.36-18,076.52

Finding the Fourth Proportional to 57,517.76, 86,280.36 and 18,076.52

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Solution

The fourth proportional to 57,517.76, 86,280.36 and 18,076.52 is: 27,115.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,517.76 : 86,280.36 = 18,076.52 : x
  2. Step 2: Convert to fraction form
    57,517.76/86,280.36 = 18,076.52/x
  3. Step 3: Cross multiply
    57,517.76x = 86,280.36 × 18,076.52
  4. Step 4: Simplify right side
    57,517.76x = 1,559,648,653.15
  5. Step 5: Solve for x
    x = 1,559,648,653.15/57,517.76
  6. Step 6: Final answer
    x = 27,115.95

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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.