Home / 37,110.96-51,212.97-20,115.62

Finding the Fourth Proportional to 37,110.96, 51,212.97 and 20,115.62

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Solution

The fourth proportional to 37,110.96, 51,212.97 and 20,115.62 is: 27,759.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,110.96 : 51,212.97 = 20,115.62 : x
  2. Step 2: Convert to fraction form
    37,110.96/51,212.97 = 20,115.62/x
  3. Step 3: Cross multiply
    37,110.96x = 51,212.97 × 20,115.62
  4. Step 4: Simplify right side
    37,110.96x = 1,030,180,463.83
  5. Step 5: Solve for x
    x = 1,030,180,463.83/37,110.96
  6. Step 6: Final answer
    x = 27,759.47

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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.