Home / 40,111.35-55,351.50-23,979.04

Finding the Fourth Proportional to 40,111.35, 55,351.50 and 23,979.04

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Solution

The fourth proportional to 40,111.35, 55,351.50 and 23,979.04 is: 33,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,111.35 : 55,351.50 = 23,979.04 : x
  2. Step 2: Convert to fraction form
    40,111.35/55,351.50 = 23,979.04/x
  3. Step 3: Cross multiply
    40,111.35x = 55,351.50 × 23,979.04
  4. Step 4: Simplify right side
    40,111.35x = 1,327,275,739.14
  5. Step 5: Solve for x
    x = 1,327,275,739.14/40,111.35
  6. Step 6: Final answer
    x = 33,089.78

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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.