Home / 54,372.26-81,557.30-30,948.50

Finding the Fourth Proportional to 54,372.26, 81,557.30 and 30,948.50

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Solution

The fourth proportional to 54,372.26, 81,557.30 and 30,948.50 is: 46,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,372.26 : 81,557.30 = 30,948.50 : x
  2. Step 2: Convert to fraction form
    54,372.26/81,557.30 = 30,948.50/x
  3. Step 3: Cross multiply
    54,372.26x = 81,557.30 × 30,948.50
  4. Step 4: Simplify right side
    54,372.26x = 2,524,076,099.05
  5. Step 5: Solve for x
    x = 2,524,076,099.05/54,372.26
  6. Step 6: Final answer
    x = 46,422.13

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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.