Home / 37,089.75-51,179.78-21,171.13

Finding the Fourth Proportional to 37,089.75, 51,179.78 and 21,171.13

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Solution

The fourth proportional to 37,089.75, 51,179.78 and 21,171.13 is: 29,213.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,089.75 : 51,179.78 = 21,171.13 : x
  2. Step 2: Convert to fraction form
    37,089.75/51,179.78 = 21,171.13/x
  3. Step 3: Cross multiply
    37,089.75x = 51,179.78 × 21,171.13
  4. Step 4: Simplify right side
    37,089.75x = 1,083,533,775.75
  5. Step 5: Solve for x
    x = 1,083,533,775.75/37,089.75
  6. Step 6: Final answer
    x = 29,213.83

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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.