Home / 40,032.20-55,244.44-21,882.99

Finding the Fourth Proportional to 40,032.20, 55,244.44 and 21,882.99

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Solution

The fourth proportional to 40,032.20, 55,244.44 and 21,882.99 is: 30,198.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,032.20 : 55,244.44 = 21,882.99 : x
  2. Step 2: Convert to fraction form
    40,032.20/55,244.44 = 21,882.99/x
  3. Step 3: Cross multiply
    40,032.20x = 55,244.44 × 21,882.99
  4. Step 4: Simplify right side
    40,032.20x = 1,208,913,418.66
  5. Step 5: Solve for x
    x = 1,208,913,418.66/40,032.20
  6. Step 6: Final answer
    x = 30,198.53

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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.