Home / 54,350.60-81,416.55-36,635.90

Finding the Fourth Proportional to 54,350.60, 81,416.55 and 36,635.90

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Solution

The fourth proportional to 54,350.60, 81,416.55 and 36,635.90 is: 54,880.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,350.60 : 81,416.55 = 36,635.90 : x
  2. Step 2: Convert to fraction form
    54,350.60/81,416.55 = 36,635.90/x
  3. Step 3: Cross multiply
    54,350.60x = 81,416.55 × 36,635.90
  4. Step 4: Simplify right side
    54,350.60x = 2,982,768,584.15
  5. Step 5: Solve for x
    x = 2,982,768,584.15/54,350.60
  6. Step 6: Final answer
    x = 54,880.14

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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.