Home / 45,110.96-67,649.76-15,520.64

Finding the Fourth Proportional to 45,110.96, 67,649.76 and 15,520.64

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Solution

The fourth proportional to 45,110.96, 67,649.76 and 15,520.64 is: 23,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,110.96 : 67,649.76 = 15,520.64 : x
  2. Step 2: Convert to fraction form
    45,110.96/67,649.76 = 15,520.64/x
  3. Step 3: Cross multiply
    45,110.96x = 67,649.76 × 15,520.64
  4. Step 4: Simplify right side
    45,110.96x = 1,049,967,571.05
  5. Step 5: Solve for x
    x = 1,049,967,571.05/45,110.96
  6. Step 6: Final answer
    x = 23,275.22

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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.