Home / 36,381.19-50,205.29-21,282.79

Finding the Fourth Proportional to 36,381.19, 50,205.29 and 21,282.79

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Solution

The fourth proportional to 36,381.19, 50,205.29 and 21,282.79 is: 29,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,381.19 : 50,205.29 = 21,282.79 : x
  2. Step 2: Convert to fraction form
    36,381.19/50,205.29 = 21,282.79/x
  3. Step 3: Cross multiply
    36,381.19x = 50,205.29 × 21,282.79
  4. Step 4: Simplify right side
    36,381.19x = 1,068,508,643.96
  5. Step 5: Solve for x
    x = 1,068,508,643.96/36,381.19
  6. Step 6: Final answer
    x = 29,369.81

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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.