Home / 55,131.31-82,647.75-25,508.40

Finding the Fourth Proportional to 55,131.31, 82,647.75 and 25,508.40

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Solution

The fourth proportional to 55,131.31, 82,647.75 and 25,508.40 is: 38,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,131.31 : 82,647.75 = 25,508.40 : x
  2. Step 2: Convert to fraction form
    55,131.31/82,647.75 = 25,508.40/x
  3. Step 3: Cross multiply
    55,131.31x = 82,647.75 × 25,508.40
  4. Step 4: Simplify right side
    55,131.31x = 2,108,211,866.10
  5. Step 5: Solve for x
    x = 2,108,211,866.10/55,131.31
  6. Step 6: Final answer
    x = 38,239.83

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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.