Home / 52,129.42-71,936.62-28,255.57

Finding the Fourth Proportional to 52,129.42, 71,936.62 and 28,255.57

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Solution

The fourth proportional to 52,129.42, 71,936.62 and 28,255.57 is: 38,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,129.42 : 71,936.62 = 28,255.57 : x
  2. Step 2: Convert to fraction form
    52,129.42/71,936.62 = 28,255.57/x
  3. Step 3: Cross multiply
    52,129.42x = 71,936.62 × 28,255.57
  4. Step 4: Simplify right side
    52,129.42x = 2,032,609,951.49
  5. Step 5: Solve for x
    x = 2,032,609,951.49/52,129.42
  6. Step 6: Final answer
    x = 38,991.61

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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.