Home / 51,395.53-77,122.45-20,252.65

Finding the Fourth Proportional to 51,395.53, 77,122.45 and 20,252.65

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Solution

The fourth proportional to 51,395.53, 77,122.45 and 20,252.65 is: 30,390.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,395.53 : 77,122.45 = 20,252.65 : x
  2. Step 2: Convert to fraction form
    51,395.53/77,122.45 = 20,252.65/x
  3. Step 3: Cross multiply
    51,395.53x = 77,122.45 × 20,252.65
  4. Step 4: Simplify right side
    51,395.53x = 1,561,933,500.12
  5. Step 5: Solve for x
    x = 1,561,933,500.12/51,395.53
  6. Step 6: Final answer
    x = 30,390.46

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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.