Home / 40,114.80-55,383.63-25,781.04

Finding the Fourth Proportional to 40,114.80, 55,383.63 and 25,781.04

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Solution

The fourth proportional to 40,114.80, 55,383.63 and 25,781.04 is: 35,594.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,114.80 : 55,383.63 = 25,781.04 : x
  2. Step 2: Convert to fraction form
    40,114.80/55,383.63 = 25,781.04/x
  3. Step 3: Cross multiply
    40,114.80x = 55,383.63 × 25,781.04
  4. Step 4: Simplify right side
    40,114.80x = 1,427,847,580.38
  5. Step 5: Solve for x
    x = 1,427,847,580.38/40,114.80
  6. Step 6: Final answer
    x = 35,594.03

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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.