Home / 52,072.11-71,859.42-28,198.71

Finding the Fourth Proportional to 52,072.11, 71,859.42 and 28,198.71

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Solution

The fourth proportional to 52,072.11, 71,859.42 and 28,198.71 is: 38,914.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,072.11 : 71,859.42 = 28,198.71 : x
  2. Step 2: Convert to fraction form
    52,072.11/71,859.42 = 28,198.71/x
  3. Step 3: Cross multiply
    52,072.11x = 71,859.42 × 28,198.71
  4. Step 4: Simplify right side
    52,072.11x = 2,026,342,945.35
  5. Step 5: Solve for x
    x = 2,026,342,945.35/52,072.11
  6. Step 6: Final answer
    x = 38,914.17

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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.