Home / 34,392.12-51,517.78-20,309.66

Finding the Fourth Proportional to 34,392.12, 51,517.78 and 20,309.66

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Solution

The fourth proportional to 34,392.12, 51,517.78 and 20,309.66 is: 30,422.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,392.12 : 51,517.78 = 20,309.66 : x
  2. Step 2: Convert to fraction form
    34,392.12/51,517.78 = 20,309.66/x
  3. Step 3: Cross multiply
    34,392.12x = 51,517.78 × 20,309.66
  4. Step 4: Simplify right side
    34,392.12x = 1,046,308,595.75
  5. Step 5: Solve for x
    x = 1,046,308,595.75/34,392.12
  6. Step 6: Final answer
    x = 30,422.92

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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.