Home / 52,019.55-71,786.97-28,146.24

Finding the Fourth Proportional to 52,019.55, 71,786.97 and 28,146.24

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Solution

The fourth proportional to 52,019.55, 71,786.97 and 28,146.24 is: 38,841.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,019.55 : 71,786.97 = 28,146.24 : x
  2. Step 2: Convert to fraction form
    52,019.55/71,786.97 = 28,146.24/x
  3. Step 3: Cross multiply
    52,019.55x = 71,786.97 × 28,146.24
  4. Step 4: Simplify right side
    52,019.55x = 2,020,533,286.49
  5. Step 5: Solve for x
    x = 2,020,533,286.49/52,019.55
  6. Step 6: Final answer
    x = 38,841.81

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Double scale
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Similar ratio
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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.