Home / 39,568.32-54,604.32-21,664.41

Finding the Fourth Proportional to 39,568.32, 54,604.32 and 21,664.41

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Solution

The fourth proportional to 39,568.32, 54,604.32 and 21,664.41 is: 29,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,568.32 : 54,604.32 = 21,664.41 : x
  2. Step 2: Convert to fraction form
    39,568.32/54,604.32 = 21,664.41/x
  3. Step 3: Cross multiply
    39,568.32x = 54,604.32 × 21,664.41
  4. Step 4: Simplify right side
    39,568.32x = 1,182,970,376.25
  5. Step 5: Solve for x
    x = 1,182,970,376.25/39,568.32
  6. Step 6: Final answer
    x = 29,896.91

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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.