Home / 37,619.72-51,919.52-21,489.56

Finding the Fourth Proportional to 37,619.72, 51,919.52 and 21,489.56

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Solution

The fourth proportional to 37,619.72, 51,919.52 and 21,489.56 is: 29,658.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,619.72 : 51,919.52 = 21,489.56 : x
  2. Step 2: Convert to fraction form
    37,619.72/51,919.52 = 21,489.56/x
  3. Step 3: Cross multiply
    37,619.72x = 51,919.52 × 21,489.56
  4. Step 4: Simplify right side
    37,619.72x = 1,115,727,823.73
  5. Step 5: Solve for x
    x = 1,115,727,823.73/37,619.72
  6. Step 6: Final answer
    x = 29,658.06

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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.