Home / 29,057.54-40,109.49-17,120.11

Finding the Fourth Proportional to 29,057.54, 40,109.49 and 17,120.11

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Solution

The fourth proportional to 29,057.54, 40,109.49 and 17,120.11 is: 23,631.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,057.54 : 40,109.49 = 17,120.11 : x
  2. Step 2: Convert to fraction form
    29,057.54/40,109.49 = 17,120.11/x
  3. Step 3: Cross multiply
    29,057.54x = 40,109.49 × 17,120.11
  4. Step 4: Simplify right side
    29,057.54x = 686,678,934.02
  5. Step 5: Solve for x
    x = 686,678,934.02/29,057.54
  6. Step 6: Final answer
    x = 23,631.69

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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.