Home / 54,216.88-74,819.28-30,343.55

Finding the Fourth Proportional to 54,216.88, 74,819.28 and 30,343.55

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Solution

The fourth proportional to 54,216.88, 74,819.28 and 30,343.55 is: 41,874.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,216.88 : 74,819.28 = 30,343.55 : x
  2. Step 2: Convert to fraction form
    54,216.88/74,819.28 = 30,343.55/x
  3. Step 3: Cross multiply
    54,216.88x = 74,819.28 × 30,343.55
  4. Step 4: Simplify right side
    54,216.88x = 2,270,282,470.12
  5. Step 5: Solve for x
    x = 2,270,282,470.12/54,216.88
  6. Step 6: Final answer
    x = 41,874.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.