Home / 40,023.19-55,233.11-22,119.32

Finding the Fourth Proportional to 40,023.19, 55,233.11 and 22,119.32

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Solution

The fourth proportional to 40,023.19, 55,233.11 and 22,119.32 is: 30,525.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,023.19 : 55,233.11 = 22,119.32 : x
  2. Step 2: Convert to fraction form
    40,023.19/55,233.11 = 22,119.32/x
  3. Step 3: Cross multiply
    40,023.19x = 55,233.11 × 22,119.32
  4. Step 4: Simplify right side
    40,023.19x = 1,221,718,834.69
  5. Step 5: Solve for x
    x = 1,221,718,834.69/40,023.19
  6. Step 6: Final answer
    x = 30,525.27

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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.