Home / 36,282.51-50,067.18-20,369.40

Finding the Fourth Proportional to 36,282.51, 50,067.18 and 20,369.40

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Solution

The fourth proportional to 36,282.51, 50,067.18 and 20,369.40 is: 28,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,282.51 : 50,067.18 = 20,369.40 : x
  2. Step 2: Convert to fraction form
    36,282.51/50,067.18 = 20,369.40/x
  3. Step 3: Cross multiply
    36,282.51x = 50,067.18 × 20,369.40
  4. Step 4: Simplify right side
    36,282.51x = 1,019,838,416.29
  5. Step 5: Solve for x
    x = 1,019,838,416.29/36,282.51
  6. Step 6: Final answer
    x = 28,108.27

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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.