Home / 51,729.75-71,387.13-29,373.75

Finding the Fourth Proportional to 51,729.75, 71,387.13 and 29,373.75

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Solution

The fourth proportional to 51,729.75, 71,387.13 and 29,373.75 is: 40,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,729.75 : 71,387.13 = 29,373.75 : x
  2. Step 2: Convert to fraction form
    51,729.75/71,387.13 = 29,373.75/x
  3. Step 3: Cross multiply
    51,729.75x = 71,387.13 × 29,373.75
  4. Step 4: Simplify right side
    51,729.75x = 2,096,907,709.84
  5. Step 5: Solve for x
    x = 2,096,907,709.84/51,729.75
  6. Step 6: Final answer
    x = 40,535.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.