Home / 36,292.11-50,089.20-21,186.42

Finding the Fourth Proportional to 36,292.11, 50,089.20 and 21,186.42

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Solution

The fourth proportional to 36,292.11, 50,089.20 and 21,186.42 is: 29,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,292.11 : 50,089.20 = 21,186.42 : x
  2. Step 2: Convert to fraction form
    36,292.11/50,089.20 = 21,186.42/x
  3. Step 3: Cross multiply
    36,292.11x = 50,089.20 × 21,186.42
  4. Step 4: Simplify right side
    36,292.11x = 1,061,210,828.66
  5. Step 5: Solve for x
    x = 1,061,210,828.66/36,292.11
  6. Step 6: Final answer
    x = 29,240.81

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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.