Home / 36,220.25-49,984.13-21,123.38

Finding the Fourth Proportional to 36,220.25, 49,984.13 and 21,123.38

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Solution

The fourth proportional to 36,220.25, 49,984.13 and 21,123.38 is: 29,150.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,220.25 : 49,984.13 = 21,123.38 : x
  2. Step 2: Convert to fraction form
    36,220.25/49,984.13 = 21,123.38/x
  3. Step 3: Cross multiply
    36,220.25x = 49,984.13 × 21,123.38
  4. Step 4: Simplify right side
    36,220.25x = 1,055,833,771.96
  5. Step 5: Solve for x
    x = 1,055,833,771.96/36,220.25
  6. Step 6: Final answer
    x = 29,150.37

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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.