Home / 29,642.49-40,910.36-19,442.09

Finding the Fourth Proportional to 29,642.49, 40,910.36 and 19,442.09

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Solution

The fourth proportional to 29,642.49, 40,910.36 and 19,442.09 is: 26,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,642.49 : 40,910.36 = 19,442.09 : x
  2. Step 2: Convert to fraction form
    29,642.49/40,910.36 = 19,442.09/x
  3. Step 3: Cross multiply
    29,642.49x = 40,910.36 × 19,442.09
  4. Step 4: Simplify right side
    29,642.49x = 795,382,599.29
  5. Step 5: Solve for x
    x = 795,382,599.29/29,642.49
  6. Step 6: Final answer
    x = 26,832.52

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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.