Home / 37,138.31-55,725.84-17,418.38

Finding the Fourth Proportional to 37,138.31, 55,725.84 and 17,418.38

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Solution

The fourth proportional to 37,138.31, 55,725.84 and 17,418.38 is: 26,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,138.31 : 55,725.84 = 17,418.38 : x
  2. Step 2: Convert to fraction form
    37,138.31/55,725.84 = 17,418.38/x
  3. Step 3: Cross multiply
    37,138.31x = 55,725.84 × 17,418.38
  4. Step 4: Simplify right side
    37,138.31x = 970,653,856.94
  5. Step 5: Solve for x
    x = 970,653,856.94/37,138.31
  6. Step 6: Final answer
    x = 26,136.19

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1.5x scale

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.