Home / 37,213.80-51,342.42-21,286.92

Finding the Fourth Proportional to 37,213.80, 51,342.42 and 21,286.92

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Solution

The fourth proportional to 37,213.80, 51,342.42 and 21,286.92 is: 29,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,213.80 : 51,342.42 = 21,286.92 : x
  2. Step 2: Convert to fraction form
    37,213.80/51,342.42 = 21,286.92/x
  3. Step 3: Cross multiply
    37,213.80x = 51,342.42 × 21,286.92
  4. Step 4: Simplify right side
    37,213.80x = 1,092,921,987.15
  5. Step 5: Solve for x
    x = 1,092,921,987.15/37,213.80
  6. Step 6: Final answer
    x = 29,368.73

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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.