Home / 36,023.60-49,723.12-20,923.04

Finding the Fourth Proportional to 36,023.60, 49,723.12 and 20,923.04

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Solution

The fourth proportional to 36,023.60, 49,723.12 and 20,923.04 is: 28,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,023.60 : 49,723.12 = 20,923.04 : x
  2. Step 2: Convert to fraction form
    36,023.60/49,723.12 = 20,923.04/x
  3. Step 3: Cross multiply
    36,023.60x = 49,723.12 × 20,923.04
  4. Step 4: Simplify right side
    36,023.60x = 1,040,358,952.99
  5. Step 5: Solve for x
    x = 1,040,358,952.99/36,023.60
  6. Step 6: Final answer
    x = 28,879.93

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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.