Home / 36,015.72-54,023.40-18,475.80

Finding the Fourth Proportional to 36,015.72, 54,023.40 and 18,475.80

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Solution

The fourth proportional to 36,015.72, 54,023.40 and 18,475.80 is: 27,713.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.72 : 54,023.40 = 18,475.80 : x
  2. Step 2: Convert to fraction form
    36,015.72/54,023.40 = 18,475.80/x
  3. Step 3: Cross multiply
    36,015.72x = 54,023.40 × 18,475.80
  4. Step 4: Simplify right side
    36,015.72x = 998,125,533.72
  5. Step 5: Solve for x
    x = 998,125,533.72/36,015.72
  6. Step 6: Final answer
    x = 27,713.61

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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.