Home / 39,928.05-55,098.12-22,023.18

Finding the Fourth Proportional to 39,928.05, 55,098.12 and 22,023.18

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Solution

The fourth proportional to 39,928.05, 55,098.12 and 22,023.18 is: 30,390.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,928.05 : 55,098.12 = 22,023.18 : x
  2. Step 2: Convert to fraction form
    39,928.05/55,098.12 = 22,023.18/x
  3. Step 3: Cross multiply
    39,928.05x = 55,098.12 × 22,023.18
  4. Step 4: Simplify right side
    39,928.05x = 1,213,435,814.42
  5. Step 5: Solve for x
    x = 1,213,435,814.42/39,928.05
  6. Step 6: Final answer
    x = 30,390.56

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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.