Home / 22,619.43-33,745.50-21,394.71

Finding the Fourth Proportional to 22,619.43, 33,745.50 and 21,394.71

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Solution

The fourth proportional to 22,619.43, 33,745.50 and 21,394.71 is: 31,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,619.43 : 33,745.50 = 21,394.71 : x
  2. Step 2: Convert to fraction form
    22,619.43/33,745.50 = 21,394.71/x
  3. Step 3: Cross multiply
    22,619.43x = 33,745.50 × 21,394.71
  4. Step 4: Simplify right side
    22,619.43x = 721,975,186.31
  5. Step 5: Solve for x
    x = 721,975,186.31/22,619.43
  6. Step 6: Final answer
    x = 31,918.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.