Home / 45,149.85-67,735.71-13,559.85

Finding the Fourth Proportional to 45,149.85, 67,735.71 and 13,559.85

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Solution

The fourth proportional to 45,149.85, 67,735.71 and 13,559.85 is: 20,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,149.85 : 67,735.71 = 13,559.85 : x
  2. Step 2: Convert to fraction form
    45,149.85/67,735.71 = 13,559.85/x
  3. Step 3: Cross multiply
    45,149.85x = 67,735.71 × 13,559.85
  4. Step 4: Simplify right side
    45,149.85x = 918,486,067.24
  5. Step 5: Solve for x
    x = 918,486,067.24/45,149.85
  6. Step 6: Final answer
    x = 20,343.06

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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.