Home / 51,660.66-71,280.57-33,781.92

Finding the Fourth Proportional to 51,660.66, 71,280.57 and 33,781.92

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Solution

The fourth proportional to 51,660.66, 71,280.57 and 33,781.92 is: 46,611.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,660.66 : 71,280.57 = 33,781.92 : x
  2. Step 2: Convert to fraction form
    51,660.66/71,280.57 = 33,781.92/x
  3. Step 3: Cross multiply
    51,660.66x = 71,280.57 × 33,781.92
  4. Step 4: Simplify right side
    51,660.66x = 2,407,994,513.29
  5. Step 5: Solve for x
    x = 2,407,994,513.29/51,660.66
  6. Step 6: Final answer
    x = 46,611.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.