Home / 51,642.45-71,269.71-28,983.33

Finding the Fourth Proportional to 51,642.45, 71,269.71 and 28,983.33

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Solution

The fourth proportional to 51,642.45, 71,269.71 and 28,983.33 is: 39,998.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,642.45 : 71,269.71 = 28,983.33 : x
  2. Step 2: Convert to fraction form
    51,642.45/71,269.71 = 28,983.33/x
  3. Step 3: Cross multiply
    51,642.45x = 71,269.71 × 28,983.33
  4. Step 4: Simplify right side
    51,642.45x = 2,065,633,523.93
  5. Step 5: Solve for x
    x = 2,065,633,523.93/51,642.45
  6. Step 6: Final answer
    x = 39,998.75

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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.