Home / 54,822.15-82,236.14-17,385.18

Finding the Fourth Proportional to 54,822.15, 82,236.14 and 17,385.18

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Solution

The fourth proportional to 54,822.15, 82,236.14 and 17,385.18 is: 26,078.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,822.15 : 82,236.14 = 17,385.18 : x
  2. Step 2: Convert to fraction form
    54,822.15/82,236.14 = 17,385.18/x
  3. Step 3: Cross multiply
    54,822.15x = 82,236.14 × 17,385.18
  4. Step 4: Simplify right side
    54,822.15x = 1,429,689,598.30
  5. Step 5: Solve for x
    x = 1,429,689,598.30/54,822.15
  6. Step 6: Final answer
    x = 26,078.69

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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.