Home / 43,418.52-59,860.14-31,308.90

Finding the Fourth Proportional to 43,418.52, 59,860.14 and 31,308.90

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Solution

The fourth proportional to 43,418.52, 59,860.14 and 31,308.90 is: 43,164.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,418.52 : 59,860.14 = 31,308.90 : x
  2. Step 2: Convert to fraction form
    43,418.52/59,860.14 = 31,308.90/x
  3. Step 3: Cross multiply
    43,418.52x = 59,860.14 × 31,308.90
  4. Step 4: Simplify right side
    43,418.52x = 1,874,155,137.25
  5. Step 5: Solve for x
    x = 1,874,155,137.25/43,418.52
  6. Step 6: Final answer
    x = 43,164.88

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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.