Home / 51,616.07-71,223.78-28,951.92

Finding the Fourth Proportional to 51,616.07, 71,223.78 and 28,951.92

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Solution

The fourth proportional to 51,616.07, 71,223.78 and 28,951.92 is: 39,950.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,616.07 : 71,223.78 = 28,951.92 : x
  2. Step 2: Convert to fraction form
    51,616.07/71,223.78 = 28,951.92/x
  3. Step 3: Cross multiply
    51,616.07x = 71,223.78 × 28,951.92
  4. Step 4: Simplify right side
    51,616.07x = 2,062,065,180.66
  5. Step 5: Solve for x
    x = 2,062,065,180.66/51,616.07
  6. Step 6: Final answer
    x = 39,950.07

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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.