Home / 40,091.22-55,325.56-22,187.20

Finding the Fourth Proportional to 40,091.22, 55,325.56 and 22,187.20

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Solution

The fourth proportional to 40,091.22, 55,325.56 and 22,187.20 is: 30,618.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,091.22 : 55,325.56 = 22,187.20 : x
  2. Step 2: Convert to fraction form
    40,091.22/55,325.56 = 22,187.20/x
  3. Step 3: Cross multiply
    40,091.22x = 55,325.56 × 22,187.20
  4. Step 4: Simplify right side
    40,091.22x = 1,227,519,387.39
  5. Step 5: Solve for x
    x = 1,227,519,387.39/40,091.22
  6. Step 6: Final answer
    x = 30,618.16

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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.