Home / 40,042.82-55,254.57-22,133.30

Finding the Fourth Proportional to 40,042.82, 55,254.57 and 22,133.30

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Solution

The fourth proportional to 40,042.82, 55,254.57 and 22,133.30 is: 30,541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,042.82 : 55,254.57 = 22,133.30 : x
  2. Step 2: Convert to fraction form
    40,042.82/55,254.57 = 22,133.30/x
  3. Step 3: Cross multiply
    40,042.82x = 55,254.57 × 22,133.30
  4. Step 4: Simplify right side
    40,042.82x = 1,222,965,974.18
  5. Step 5: Solve for x
    x = 1,222,965,974.18/40,042.82
  6. Step 6: Final answer
    x = 30,541.45

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Double scale
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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.