Home / 42,356.33-63,553.89-18,347.97

Finding the Fourth Proportional to 42,356.33, 63,553.89 and 18,347.97

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Solution

The fourth proportional to 42,356.33, 63,553.89 and 18,347.97 is: 27,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,356.33 : 63,553.89 = 18,347.97 : x
  2. Step 2: Convert to fraction form
    42,356.33/63,553.89 = 18,347.97/x
  3. Step 3: Cross multiply
    42,356.33x = 63,553.89 × 18,347.97
  4. Step 4: Simplify right side
    42,356.33x = 1,166,084,867.10
  5. Step 5: Solve for x
    x = 1,166,084,867.10/42,356.33
  6. Step 6: Final answer
    x = 27,530.36

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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.