Home / 55,418.09-83,134.26-25,425.09

Finding the Fourth Proportional to 55,418.09, 83,134.26 and 25,425.09

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Solution

The fourth proportional to 55,418.09, 83,134.26 and 25,425.09 is: 38,140.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,418.09 : 83,134.26 = 25,425.09 : x
  2. Step 2: Convert to fraction form
    55,418.09/83,134.26 = 25,425.09/x
  3. Step 3: Cross multiply
    55,418.09x = 83,134.26 × 25,425.09
  4. Step 4: Simplify right side
    55,418.09x = 2,113,696,042.58
  5. Step 5: Solve for x
    x = 2,113,696,042.58/55,418.09
  6. Step 6: Final answer
    x = 38,140.91

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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.