Home / 54,656.28-81,984.42-42,194.49

Finding the Fourth Proportional to 54,656.28, 81,984.42 and 42,194.49

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Solution

The fourth proportional to 54,656.28, 81,984.42 and 42,194.49 is: 63,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,656.28 : 81,984.42 = 42,194.49 : x
  2. Step 2: Convert to fraction form
    54,656.28/81,984.42 = 42,194.49/x
  3. Step 3: Cross multiply
    54,656.28x = 81,984.42 × 42,194.49
  4. Step 4: Simplify right side
    54,656.28x = 3,459,290,789.85
  5. Step 5: Solve for x
    x = 3,459,290,789.85/54,656.28
  6. Step 6: Final answer
    x = 63,291.74

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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.