Home / 41,728.60-62,665.80-40,416.40

Finding the Fourth Proportional to 41,728.60, 62,665.80 and 40,416.40

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Solution

The fourth proportional to 41,728.60, 62,665.80 and 40,416.40 is: 60,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,728.60 : 62,665.80 = 40,416.40 : x
  2. Step 2: Convert to fraction form
    41,728.60/62,665.80 = 40,416.40/x
  3. Step 3: Cross multiply
    41,728.60x = 62,665.80 × 40,416.40
  4. Step 4: Simplify right side
    41,728.60x = 2,532,726,039.12
  5. Step 5: Solve for x
    x = 2,532,726,039.12/41,728.60
  6. Step 6: Final answer
    x = 60,695.21

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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.