Home / 57,839.20-86,719.26-30,825.61

Finding the Fourth Proportional to 57,839.20, 86,719.26 and 30,825.61

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Solution

The fourth proportional to 57,839.20, 86,719.26 and 30,825.61 is: 46,217.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,839.20 : 86,719.26 = 30,825.61 : x
  2. Step 2: Convert to fraction form
    57,839.20/86,719.26 = 30,825.61/x
  3. Step 3: Cross multiply
    57,839.20x = 86,719.26 × 30,825.61
  4. Step 4: Simplify right side
    57,839.20x = 2,673,174,088.25
  5. Step 5: Solve for x
    x = 2,673,174,088.25/57,839.20
  6. Step 6: Final answer
    x = 46,217.34

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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.