Home / 29,760.78-41,042.66-19,699.40

Finding the Fourth Proportional to 29,760.78, 41,042.66 and 19,699.40

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Solution

The fourth proportional to 29,760.78, 41,042.66 and 19,699.40 is: 27,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,760.78 : 41,042.66 = 19,699.40 : x
  2. Step 2: Convert to fraction form
    29,760.78/41,042.66 = 19,699.40/x
  3. Step 3: Cross multiply
    29,760.78x = 41,042.66 × 19,699.40
  4. Step 4: Simplify right side
    29,760.78x = 808,515,776.40
  5. Step 5: Solve for x
    x = 808,515,776.40/29,760.78
  6. Step 6: Final answer
    x = 27,167.16

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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.