Home / 51,414.20-77,130.44-18,153.57

Finding the Fourth Proportional to 51,414.20, 77,130.44 and 18,153.57

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Solution

The fourth proportional to 51,414.20, 77,130.44 and 18,153.57 is: 27,233.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,414.20 : 77,130.44 = 18,153.57 : x
  2. Step 2: Convert to fraction form
    51,414.20/77,130.44 = 18,153.57/x
  3. Step 3: Cross multiply
    51,414.20x = 77,130.44 × 18,153.57
  4. Step 4: Simplify right side
    51,414.20x = 1,400,192,841.67
  5. Step 5: Solve for x
    x = 1,400,192,841.67/51,414.20
  6. Step 6: Final answer
    x = 27,233.58

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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.