Home / 40,383.11-55,726.51-22,230.30

Finding the Fourth Proportional to 40,383.11, 55,726.51 and 22,230.30

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Solution

The fourth proportional to 40,383.11, 55,726.51 and 22,230.30 is: 30,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,383.11 : 55,726.51 = 22,230.30 : x
  2. Step 2: Convert to fraction form
    40,383.11/55,726.51 = 22,230.30/x
  3. Step 3: Cross multiply
    40,383.11x = 55,726.51 × 22,230.30
  4. Step 4: Simplify right side
    40,383.11x = 1,238,816,645.47
  5. Step 5: Solve for x
    x = 1,238,816,645.47/40,383.11
  6. Step 6: Final answer
    x = 30,676.60

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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.