Home / 40,205.88-60,289.65-18,019.44

Finding the Fourth Proportional to 40,205.88, 60,289.65 and 18,019.44

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Solution

The fourth proportional to 40,205.88, 60,289.65 and 18,019.44 is: 27,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,205.88 : 60,289.65 = 18,019.44 : x
  2. Step 2: Convert to fraction form
    40,205.88/60,289.65 = 18,019.44/x
  3. Step 3: Cross multiply
    40,205.88x = 60,289.65 × 18,019.44
  4. Step 4: Simplify right side
    40,205.88x = 1,086,385,730.80
  5. Step 5: Solve for x
    x = 1,086,385,730.80/40,205.88
  6. Step 6: Final answer
    x = 27,020.57

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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.