Home / 36,145.78-54,208.24-12,452.36

Finding the Fourth Proportional to 36,145.78, 54,208.24 and 12,452.36

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Solution

The fourth proportional to 36,145.78, 54,208.24 and 12,452.36 is: 18,674.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,145.78 : 54,208.24 = 12,452.36 : x
  2. Step 2: Convert to fraction form
    36,145.78/54,208.24 = 12,452.36/x
  3. Step 3: Cross multiply
    36,145.78x = 54,208.24 × 12,452.36
  4. Step 4: Simplify right side
    36,145.78x = 675,020,519.45
  5. Step 5: Solve for x
    x = 675,020,519.45/36,145.78
  6. Step 6: Final answer
    x = 18,674.95

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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.