Home / 54,178.76-81,275.94-16,742.12

Finding the Fourth Proportional to 54,178.76, 81,275.94 and 16,742.12

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Solution

The fourth proportional to 54,178.76, 81,275.94 and 16,742.12 is: 25,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,178.76 : 81,275.94 = 16,742.12 : x
  2. Step 2: Convert to fraction form
    54,178.76/81,275.94 = 16,742.12/x
  3. Step 3: Cross multiply
    54,178.76x = 81,275.94 × 16,742.12
  4. Step 4: Simplify right side
    54,178.76x = 1,360,731,134.21
  5. Step 5: Solve for x
    x = 1,360,731,134.21/54,178.76
  6. Step 6: Final answer
    x = 25,115.58

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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.