Home / 40,112.01-55,356.62-22,208.99

Finding the Fourth Proportional to 40,112.01, 55,356.62 and 22,208.99

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Solution

The fourth proportional to 40,112.01, 55,356.62 and 22,208.99 is: 30,649.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112.01 : 55,356.62 = 22,208.99 : x
  2. Step 2: Convert to fraction form
    40,112.01/55,356.62 = 22,208.99/x
  3. Step 3: Cross multiply
    40,112.01x = 55,356.62 × 22,208.99
  4. Step 4: Simplify right side
    40,112.01x = 1,229,414,232.19
  5. Step 5: Solve for x
    x = 1,229,414,232.19/40,112.01
  6. Step 6: Final answer
    x = 30,649.53

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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.