Home / 33,068.87-45,637.86-18,731.26

Finding the Fourth Proportional to 33,068.87, 45,637.86 and 18,731.26

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Solution

The fourth proportional to 33,068.87, 45,637.86 and 18,731.26 is: 25,850.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,068.87 : 45,637.86 = 18,731.26 : x
  2. Step 2: Convert to fraction form
    33,068.87/45,637.86 = 18,731.26/x
  3. Step 3: Cross multiply
    33,068.87x = 45,637.86 × 18,731.26
  4. Step 4: Simplify right side
    33,068.87x = 854,854,386.72
  5. Step 5: Solve for x
    x = 854,854,386.72/33,068.87
  6. Step 6: Final answer
    x = 25,850.73

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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.