Home / 24,302.31-33,470.13-20,943.90

Finding the Fourth Proportional to 24,302.31, 33,470.13 and 20,943.90

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Solution

The fourth proportional to 24,302.31, 33,470.13 and 20,943.90 is: 28,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,302.31 : 33,470.13 = 20,943.90 : x
  2. Step 2: Convert to fraction form
    24,302.31/33,470.13 = 20,943.90/x
  3. Step 3: Cross multiply
    24,302.31x = 33,470.13 × 20,943.90
  4. Step 4: Simplify right side
    24,302.31x = 700,995,055.71
  5. Step 5: Solve for x
    x = 700,995,055.71/24,302.31
  6. Step 6: Final answer
    x = 28,844.79

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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.