Home / 51,561.43-77,331-18,282.58

Finding the Fourth Proportional to 51,561.43, 77,331 and 18,282.58

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Solution

The fourth proportional to 51,561.43, 77,331 and 18,282.58 is: 27,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,561.43 : 77,331 = 18,282.58 : x
  2. Step 2: Convert to fraction form
    51,561.43/77,331 = 18,282.58/x
  3. Step 3: Cross multiply
    51,561.43x = 77,331 × 18,282.58
  4. Step 4: Simplify right side
    51,561.43x = 1,413,810,193.98
  5. Step 5: Solve for x
    x = 1,413,810,193.98/51,561.43
  6. Step 6: Final answer
    x = 27,419.92

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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.