Home / 36,942.19-55,343.21-21,917.57

Finding the Fourth Proportional to 36,942.19, 55,343.21 and 21,917.57

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Solution

The fourth proportional to 36,942.19, 55,343.21 and 21,917.57 is: 32,834.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,942.19 : 55,343.21 = 21,917.57 : x
  2. Step 2: Convert to fraction form
    36,942.19/55,343.21 = 21,917.57/x
  3. Step 3: Cross multiply
    36,942.19x = 55,343.21 × 21,917.57
  4. Step 4: Simplify right side
    36,942.19x = 1,212,988,569.61
  5. Step 5: Solve for x
    x = 1,212,988,569.61/36,942.19
  6. Step 6: Final answer
    x = 32,834.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.