Home / 36,401.04-54,610.20-18,879.12

Finding the Fourth Proportional to 36,401.04, 54,610.20 and 18,879.12

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Solution

The fourth proportional to 36,401.04, 54,610.20 and 18,879.12 is: 28,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,401.04 : 54,610.20 = 18,879.12 : x
  2. Step 2: Convert to fraction form
    36,401.04/54,610.20 = 18,879.12/x
  3. Step 3: Cross multiply
    36,401.04x = 54,610.20 × 18,879.12
  4. Step 4: Simplify right side
    36,401.04x = 1,030,992,519.02
  5. Step 5: Solve for x
    x = 1,030,992,519.02/36,401.04
  6. Step 6: Final answer
    x = 28,323.16

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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.