Home / 36,245.99-50,021.07-20,331.92

Finding the Fourth Proportional to 36,245.99, 50,021.07 and 20,331.92

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Solution

The fourth proportional to 36,245.99, 50,021.07 and 20,331.92 is: 28,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,245.99 : 50,021.07 = 20,331.92 : x
  2. Step 2: Convert to fraction form
    36,245.99/50,021.07 = 20,331.92/x
  3. Step 3: Cross multiply
    36,245.99x = 50,021.07 × 20,331.92
  4. Step 4: Simplify right side
    36,245.99x = 1,017,024,393.55
  5. Step 5: Solve for x
    x = 1,017,024,393.55/36,245.99
  6. Step 6: Final answer
    x = 28,058.95

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Half scale
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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.