Home / 40,040.61-55,253.32-22,133.19

Finding the Fourth Proportional to 40,040.61, 55,253.32 and 22,133.19

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Solution

The fourth proportional to 40,040.61, 55,253.32 and 22,133.19 is: 30,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,040.61 : 55,253.32 = 22,133.19 : x
  2. Step 2: Convert to fraction form
    40,040.61/55,253.32 = 22,133.19/x
  3. Step 3: Cross multiply
    40,040.61x = 55,253.32 × 22,133.19
  4. Step 4: Simplify right side
    40,040.61x = 1,222,932,229.69
  5. Step 5: Solve for x
    x = 1,222,932,229.69/40,040.61
  6. Step 6: Final answer
    x = 30,542.30

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Half scale
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Double scale
Find fourth proportional to 40,041.61, 55,254.70 and 22,134.19
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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.