Home / 36,017.24-49,708.82-20,102.72

Finding the Fourth Proportional to 36,017.24, 49,708.82 and 20,102.72

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Solution

The fourth proportional to 36,017.24, 49,708.82 and 20,102.72 is: 27,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,017.24 : 49,708.82 = 20,102.72 : x
  2. Step 2: Convert to fraction form
    36,017.24/49,708.82 = 20,102.72/x
  3. Step 3: Cross multiply
    36,017.24x = 49,708.82 × 20,102.72
  4. Step 4: Simplify right side
    36,017.24x = 999,282,489.99
  5. Step 5: Solve for x
    x = 999,282,489.99/36,017.24
  6. Step 6: Final answer
    x = 27,744.56

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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.