Home / 51,983.25-71,736.89-28,109.92

Finding the Fourth Proportional to 51,983.25, 71,736.89 and 28,109.92

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Solution

The fourth proportional to 51,983.25, 71,736.89 and 28,109.92 is: 38,791.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,983.25 : 71,736.89 = 28,109.92 : x
  2. Step 2: Convert to fraction form
    51,983.25/71,736.89 = 28,109.92/x
  3. Step 3: Cross multiply
    51,983.25x = 71,736.89 × 28,109.92
  4. Step 4: Simplify right side
    51,983.25x = 2,016,518,053.56
  5. Step 5: Solve for x
    x = 2,016,518,053.56/51,983.25
  6. Step 6: Final answer
    x = 38,791.69

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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.