Home / 38,550.43-57,786.25-21,875.24

Finding the Fourth Proportional to 38,550.43, 57,786.25 and 21,875.24

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Solution

The fourth proportional to 38,550.43, 57,786.25 and 21,875.24 is: 32,790.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,550.43 : 57,786.25 = 21,875.24 : x
  2. Step 2: Convert to fraction form
    38,550.43/57,786.25 = 21,875.24/x
  3. Step 3: Cross multiply
    38,550.43x = 57,786.25 × 21,875.24
  4. Step 4: Simplify right side
    38,550.43x = 1,264,088,087.45
  5. Step 5: Solve for x
    x = 1,264,088,087.45/38,550.43
  6. Step 6: Final answer
    x = 32,790.51

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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.