Home / 36,142.71-54,200.58-12,443.56

Finding the Fourth Proportional to 36,142.71, 54,200.58 and 12,443.56

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Solution

The fourth proportional to 36,142.71, 54,200.58 and 12,443.56 is: 18,660.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,142.71 : 54,200.58 = 12,443.56 : x
  2. Step 2: Convert to fraction form
    36,142.71/54,200.58 = 12,443.56/x
  3. Step 3: Cross multiply
    36,142.71x = 54,200.58 × 12,443.56
  4. Step 4: Simplify right side
    36,142.71x = 674,447,987.10
  5. Step 5: Solve for x
    x = 674,447,987.10/36,142.71
  6. Step 6: Final answer
    x = 18,660.69

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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.