Home / 38,661.88-53,352.49-22,747.36

Finding the Fourth Proportional to 38,661.88, 53,352.49 and 22,747.36

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Solution

The fourth proportional to 38,661.88, 53,352.49 and 22,747.36 is: 31,390.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661.88 : 53,352.49 = 22,747.36 : x
  2. Step 2: Convert to fraction form
    38,661.88/53,352.49 = 22,747.36/x
  3. Step 3: Cross multiply
    38,661.88x = 53,352.49 × 22,747.36
  4. Step 4: Simplify right side
    38,661.88x = 1,213,627,916.43
  5. Step 5: Solve for x
    x = 1,213,627,916.43/38,661.88
  6. Step 6: Final answer
    x = 31,390.82

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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.