Home / 51,729.45-77,462.42-34,145.61

Finding the Fourth Proportional to 51,729.45, 77,462.42 and 34,145.61

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Solution

The fourth proportional to 51,729.45, 77,462.42 and 34,145.61 is: 51,131.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,729.45 : 77,462.42 = 34,145.61 : x
  2. Step 2: Convert to fraction form
    51,729.45/77,462.42 = 34,145.61/x
  3. Step 3: Cross multiply
    51,729.45x = 77,462.42 × 34,145.61
  4. Step 4: Simplify right side
    51,729.45x = 2,645,001,412.25
  5. Step 5: Solve for x
    x = 2,645,001,412.25/51,729.45
  6. Step 6: Final answer
    x = 51,131.44

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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.