Home / 41,478.45-62,173.66-20,388.75

Finding the Fourth Proportional to 41,478.45, 62,173.66 and 20,388.75

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Solution

The fourth proportional to 41,478.45, 62,173.66 and 20,388.75 is: 30,561.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,478.45 : 62,173.66 = 20,388.75 : x
  2. Step 2: Convert to fraction form
    41,478.45/62,173.66 = 20,388.75/x
  3. Step 3: Cross multiply
    41,478.45x = 62,173.66 × 20,388.75
  4. Step 4: Simplify right side
    41,478.45x = 1,267,643,210.33
  5. Step 5: Solve for x
    x = 1,267,643,210.33/41,478.45
  6. Step 6: Final answer
    x = 30,561.49

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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.