Home / 38,448.68-57,568.79-19,941.80

Finding the Fourth Proportional to 38,448.68, 57,568.79 and 19,941.80

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Solution

The fourth proportional to 38,448.68, 57,568.79 and 19,941.80 is: 29,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,448.68 : 57,568.79 = 19,941.80 : x
  2. Step 2: Convert to fraction form
    38,448.68/57,568.79 = 19,941.80/x
  3. Step 3: Cross multiply
    38,448.68x = 57,568.79 × 19,941.80
  4. Step 4: Simplify right side
    38,448.68x = 1,148,025,058.43
  5. Step 5: Solve for x
    x = 1,148,025,058.43/38,448.68
  6. Step 6: Final answer
    x = 29,858.64

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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.