Home / 54,279.36-74,904.48-35,380.80

Finding the Fourth Proportional to 54,279.36, 74,904.48 and 35,380.80

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Solution

The fourth proportional to 54,279.36, 74,904.48 and 35,380.80 is: 48,824.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,279.36 : 74,904.48 = 35,380.80 : x
  2. Step 2: Convert to fraction form
    54,279.36/74,904.48 = 35,380.80/x
  3. Step 3: Cross multiply
    54,279.36x = 74,904.48 × 35,380.80
  4. Step 4: Simplify right side
    54,279.36x = 2,650,180,425.98
  5. Step 5: Solve for x
    x = 2,650,180,425.98/54,279.36
  6. Step 6: Final answer
    x = 48,824.83

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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.