Home / 37,213.96-51,340.72-21,289.88

Finding the Fourth Proportional to 37,213.96, 51,340.72 and 21,289.88

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Solution

The fourth proportional to 37,213.96, 51,340.72 and 21,289.88 is: 29,371.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,213.96 : 51,340.72 = 21,289.88 : x
  2. Step 2: Convert to fraction form
    37,213.96/51,340.72 = 21,289.88/x
  3. Step 3: Cross multiply
    37,213.96x = 51,340.72 × 21,289.88
  4. Step 4: Simplify right side
    37,213.96x = 1,093,037,767.91
  5. Step 5: Solve for x
    x = 1,093,037,767.91/37,213.96
  6. Step 6: Final answer
    x = 29,371.71

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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.