Home / 54,590.31-75,336.09-30,717.82

Finding the Fourth Proportional to 54,590.31, 75,336.09 and 30,717.82

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Solution

The fourth proportional to 54,590.31, 75,336.09 and 30,717.82 is: 42,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,590.31 : 75,336.09 = 30,717.82 : x
  2. Step 2: Convert to fraction form
    54,590.31/75,336.09 = 30,717.82/x
  3. Step 3: Cross multiply
    54,590.31x = 75,336.09 × 30,717.82
  4. Step 4: Simplify right side
    54,590.31x = 2,314,160,452.12
  5. Step 5: Solve for x
    x = 2,314,160,452.12/54,590.31
  6. Step 6: Final answer
    x = 42,391.41

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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.