Home / 52,111.36-71,912.68-29,449.84

Finding the Fourth Proportional to 52,111.36, 71,912.68 and 29,449.84

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Solution

The fourth proportional to 52,111.36, 71,912.68 and 29,449.84 is: 40,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,111.36 : 71,912.68 = 29,449.84 : x
  2. Step 2: Convert to fraction form
    52,111.36/71,912.68 = 29,449.84/x
  3. Step 3: Cross multiply
    52,111.36x = 71,912.68 × 29,449.84
  4. Step 4: Simplify right side
    52,111.36x = 2,117,816,919.97
  5. Step 5: Solve for x
    x = 2,117,816,919.97/52,111.36
  6. Step 6: Final answer
    x = 40,640.22

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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.