Home / 42,832.82-64,214.59-17,891.97

Finding the Fourth Proportional to 42,832.82, 64,214.59 and 17,891.97

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Solution

The fourth proportional to 42,832.82, 64,214.59 and 17,891.97 is: 26,823.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,832.82 : 64,214.59 = 17,891.97 : x
  2. Step 2: Convert to fraction form
    42,832.82/64,214.59 = 17,891.97/x
  3. Step 3: Cross multiply
    42,832.82x = 64,214.59 × 17,891.97
  4. Step 4: Simplify right side
    42,832.82x = 1,148,925,517.84
  5. Step 5: Solve for x
    x = 1,148,925,517.84/42,832.82
  6. Step 6: Final answer
    x = 26,823.49

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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.