Home / 39,928.20-55,101.36-22,023.84

Finding the Fourth Proportional to 39,928.20, 55,101.36 and 22,023.84

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Solution

The fourth proportional to 39,928.20, 55,101.36 and 22,023.84 is: 30,393.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,928.20 : 55,101.36 = 22,023.84 : x
  2. Step 2: Convert to fraction form
    39,928.20/55,101.36 = 22,023.84/x
  3. Step 3: Cross multiply
    39,928.20x = 55,101.36 × 22,023.84
  4. Step 4: Simplify right side
    39,928.20x = 1,213,543,536.42
  5. Step 5: Solve for x
    x = 1,213,543,536.42/39,928.20
  6. Step 6: Final answer
    x = 30,393.14

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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.