Home / 55,339.54-83,042.26-20,281.66

Finding the Fourth Proportional to 55,339.54, 83,042.26 and 20,281.66

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Solution

The fourth proportional to 55,339.54, 83,042.26 and 20,281.66 is: 30,434.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,339.54 : 83,042.26 = 20,281.66 : x
  2. Step 2: Convert to fraction form
    55,339.54/83,042.26 = 20,281.66/x
  3. Step 3: Cross multiply
    55,339.54x = 83,042.26 × 20,281.66
  4. Step 4: Simplify right side
    55,339.54x = 1,684,234,882.95
  5. Step 5: Solve for x
    x = 1,684,234,882.95/55,339.54
  6. Step 6: Final answer
    x = 30,434.57

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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.