Home / 40,147.35-55,400.95-22,241.06

Finding the Fourth Proportional to 40,147.35, 55,400.95 and 22,241.06

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Solution

The fourth proportional to 40,147.35, 55,400.95 and 22,241.06 is: 30,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,147.35 : 55,400.95 = 22,241.06 : x
  2. Step 2: Convert to fraction form
    40,147.35/55,400.95 = 22,241.06/x
  3. Step 3: Cross multiply
    40,147.35x = 55,400.95 × 22,241.06
  4. Step 4: Simplify right side
    40,147.35x = 1,232,175,741.80
  5. Step 5: Solve for x
    x = 1,232,175,741.80/40,147.35
  6. Step 6: Final answer
    x = 30,691.33

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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.