Home / 36,340.33-50,147.16-20,427.18

Finding the Fourth Proportional to 36,340.33, 50,147.16 and 20,427.18

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Solution

The fourth proportional to 36,340.33, 50,147.16 and 20,427.18 is: 28,188.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,340.33 : 50,147.16 = 20,427.18 : x
  2. Step 2: Convert to fraction form
    36,340.33/50,147.16 = 20,427.18/x
  3. Step 3: Cross multiply
    36,340.33x = 50,147.16 × 20,427.18
  4. Step 4: Simplify right side
    36,340.33x = 1,024,365,063.81
  5. Step 5: Solve for x
    x = 1,024,365,063.81/36,340.33
  6. Step 6: Final answer
    x = 28,188.11

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Half scale
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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.