Home / 50,649.14-69,892.20-27,987.88

Finding the Fourth Proportional to 50,649.14, 69,892.20 and 27,987.88

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Solution

The fourth proportional to 50,649.14, 69,892.20 and 27,987.88 is: 38,621.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,649.14 : 69,892.20 = 27,987.88 : x
  2. Step 2: Convert to fraction form
    50,649.14/69,892.20 = 27,987.88/x
  3. Step 3: Cross multiply
    50,649.14x = 69,892.20 × 27,987.88
  4. Step 4: Simplify right side
    50,649.14x = 1,956,134,506.54
  5. Step 5: Solve for x
    x = 1,956,134,506.54/50,649.14
  6. Step 6: Final answer
    x = 38,621.28

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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.