Home / 29,731.96-41,029.49-18,398.44

Finding the Fourth Proportional to 29,731.96, 41,029.49 and 18,398.44

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Solution

The fourth proportional to 29,731.96, 41,029.49 and 18,398.44 is: 25,389.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,731.96 : 41,029.49 = 18,398.44 : x
  2. Step 2: Convert to fraction form
    29,731.96/41,029.49 = 18,398.44/x
  3. Step 3: Cross multiply
    29,731.96x = 41,029.49 × 18,398.44
  4. Step 4: Simplify right side
    29,731.96x = 754,878,603.79
  5. Step 5: Solve for x
    x = 754,878,603.79/29,731.96
  6. Step 6: Final answer
    x = 25,389.47

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1.5x scale

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.