Home / 51,976.30-71,727.39-28,102.97

Finding the Fourth Proportional to 51,976.30, 71,727.39 and 28,102.97

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Solution

The fourth proportional to 51,976.30, 71,727.39 and 28,102.97 is: 38,782.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,976.30 : 71,727.39 = 28,102.97 : x
  2. Step 2: Convert to fraction form
    51,976.30/71,727.39 = 28,102.97/x
  3. Step 3: Cross multiply
    51,976.30x = 71,727.39 × 28,102.97
  4. Step 4: Simplify right side
    51,976.30x = 2,015,752,868.67
  5. Step 5: Solve for x
    x = 2,015,752,868.67/51,976.30
  6. Step 6: Final answer
    x = 38,782.16

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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.