Home / 38,078.05-52,546.00-21,081.10

Finding the Fourth Proportional to 38,078.05, 52,546.00 and 21,081.10

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Solution

The fourth proportional to 38,078.05, 52,546.00 and 21,081.10 is: 29,090.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,078.05 : 52,546.00 = 21,081.10 : x
  2. Step 2: Convert to fraction form
    38,078.05/52,546.00 = 21,081.10/x
  3. Step 3: Cross multiply
    38,078.05x = 52,546.00 × 21,081.10
  4. Step 4: Simplify right side
    38,078.05x = 1,107,727,375.19
  5. Step 5: Solve for x
    x = 1,107,727,375.19/38,078.05
  6. Step 6: Final answer
    x = 29,090.97

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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.