Home / 45,173.75-67,761.72-15,188.42

Finding the Fourth Proportional to 45,173.75, 67,761.72 and 15,188.42

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Solution

The fourth proportional to 45,173.75, 67,761.72 and 15,188.42 is: 22,782.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,173.75 : 67,761.72 = 15,188.42 : x
  2. Step 2: Convert to fraction form
    45,173.75/67,761.72 = 15,188.42/x
  3. Step 3: Cross multiply
    45,173.75x = 67,761.72 × 15,188.42
  4. Step 4: Simplify right side
    45,173.75x = 1,029,193,124.47
  5. Step 5: Solve for x
    x = 1,029,193,124.47/45,173.75
  6. Step 6: Final answer
    x = 22,782.99

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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.