Home / 54,339.12-81,508.68-14,895.90

Finding the Fourth Proportional to 54,339.12, 81,508.68 and 14,895.90

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Solution

The fourth proportional to 54,339.12, 81,508.68 and 14,895.90 is: 22,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,339.12 : 81,508.68 = 14,895.90 : x
  2. Step 2: Convert to fraction form
    54,339.12/81,508.68 = 14,895.90/x
  3. Step 3: Cross multiply
    54,339.12x = 81,508.68 × 14,895.90
  4. Step 4: Simplify right side
    54,339.12x = 1,214,145,146.41
  5. Step 5: Solve for x
    x = 1,214,145,146.41/54,339.12
  6. Step 6: Final answer
    x = 22,343.85

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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.