Home / 54,173.85-81,248.02-30,491.48

Finding the Fourth Proportional to 54,173.85, 81,248.02 and 30,491.48

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Solution

The fourth proportional to 54,173.85, 81,248.02 and 30,491.48 is: 45,730.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,173.85 : 81,248.02 = 30,491.48 : x
  2. Step 2: Convert to fraction form
    54,173.85/81,248.02 = 30,491.48/x
  3. Step 3: Cross multiply
    54,173.85x = 81,248.02 × 30,491.48
  4. Step 4: Simplify right side
    54,173.85x = 2,477,372,376.87
  5. Step 5: Solve for x
    x = 2,477,372,376.87/54,173.85
  6. Step 6: Final answer
    x = 45,730.04

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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.