Home / 40,454.92-60,716.40-20,752.48

Finding the Fourth Proportional to 40,454.92, 60,716.40 and 20,752.48

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Solution

The fourth proportional to 40,454.92, 60,716.40 and 20,752.48 is: 31,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,454.92 : 60,716.40 = 20,752.48 : x
  2. Step 2: Convert to fraction form
    40,454.92/60,716.40 = 20,752.48/x
  3. Step 3: Cross multiply
    40,454.92x = 60,716.40 × 20,752.48
  4. Step 4: Simplify right side
    40,454.92x = 1,260,015,876.67
  5. Step 5: Solve for x
    x = 1,260,015,876.67/40,454.92
  6. Step 6: Final answer
    x = 31,146.17

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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.