Home / 52,118.73-71,923.89-28,245.18

Finding the Fourth Proportional to 52,118.73, 71,923.89 and 28,245.18

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Solution

The fourth proportional to 52,118.73, 71,923.89 and 28,245.18 is: 38,978.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,118.73 : 71,923.89 = 28,245.18 : x
  2. Step 2: Convert to fraction form
    52,118.73/71,923.89 = 28,245.18/x
  3. Step 3: Cross multiply
    52,118.73x = 71,923.89 × 28,245.18
  4. Step 4: Simplify right side
    52,118.73x = 2,031,503,219.35
  5. Step 5: Solve for x
    x = 2,031,503,219.35/52,118.73
  6. Step 6: Final answer
    x = 38,978.37

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Double scale
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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.