Home / 51,618.39-71,238.78-28,963.50

Finding the Fourth Proportional to 51,618.39, 71,238.78 and 28,963.50

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Solution

The fourth proportional to 51,618.39, 71,238.78 and 28,963.50 is: 39,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,618.39 : 71,238.78 = 28,963.50 : x
  2. Step 2: Convert to fraction form
    51,618.39/71,238.78 = 28,963.50/x
  3. Step 3: Cross multiply
    51,618.39x = 71,238.78 × 28,963.50
  4. Step 4: Simplify right side
    51,618.39x = 2,063,324,404.53
  5. Step 5: Solve for x
    x = 2,063,324,404.53/51,618.39
  6. Step 6: Final answer
    x = 39,972.66

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1.5x scale

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.