Home / 55,138.92-82,643.37-26,658.10

Finding the Fourth Proportional to 55,138.92, 82,643.37 and 26,658.10

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Solution

The fourth proportional to 55,138.92, 82,643.37 and 26,658.10 is: 39,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,138.92 : 82,643.37 = 26,658.10 : x
  2. Step 2: Convert to fraction form
    55,138.92/82,643.37 = 26,658.10/x
  3. Step 3: Cross multiply
    55,138.92x = 82,643.37 × 26,658.10
  4. Step 4: Simplify right side
    55,138.92x = 2,203,115,221.80
  5. Step 5: Solve for x
    x = 2,203,115,221.80/55,138.92
  6. Step 6: Final answer
    x = 39,955.72

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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.