Home / 36,229.70-54,317.55-18,712.10

Finding the Fourth Proportional to 36,229.70, 54,317.55 and 18,712.10

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Solution

The fourth proportional to 36,229.70, 54,317.55 and 18,712.10 is: 28,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,229.70 : 54,317.55 = 18,712.10 : x
  2. Step 2: Convert to fraction form
    36,229.70/54,317.55 = 18,712.10/x
  3. Step 3: Cross multiply
    36,229.70x = 54,317.55 × 18,712.10
  4. Step 4: Simplify right side
    36,229.70x = 1,016,395,427.36
  5. Step 5: Solve for x
    x = 1,016,395,427.36/36,229.70
  6. Step 6: Final answer
    x = 28,054.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.