Home / 36,329.19-50,140.31-21,221.81

Finding the Fourth Proportional to 36,329.19, 50,140.31 and 21,221.81

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Solution

The fourth proportional to 36,329.19, 50,140.31 and 21,221.81 is: 29,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,329.19 : 50,140.31 = 21,221.81 : x
  2. Step 2: Convert to fraction form
    36,329.19/50,140.31 = 21,221.81/x
  3. Step 3: Cross multiply
    36,329.19x = 50,140.31 × 21,221.81
  4. Step 4: Simplify right side
    36,329.19x = 1,064,067,882.04
  5. Step 5: Solve for x
    x = 1,064,067,882.04/36,329.19
  6. Step 6: Final answer
    x = 29,289.61

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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.