Home / 24,308.31-33,478.41-20,949.90

Finding the Fourth Proportional to 24,308.31, 33,478.41 and 20,949.90

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Solution

The fourth proportional to 24,308.31, 33,478.41 and 20,949.90 is: 28,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,308.31 : 33,478.41 = 20,949.90 : x
  2. Step 2: Convert to fraction form
    24,308.31/33,478.41 = 20,949.90/x
  3. Step 3: Cross multiply
    24,308.31x = 33,478.41 × 20,949.90
  4. Step 4: Simplify right side
    24,308.31x = 701,369,341.66
  5. Step 5: Solve for x
    x = 701,369,341.66/24,308.31
  6. Step 6: Final answer
    x = 28,853.07

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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.