Home / 41,215.71-61,778.48-21,226.41

Finding the Fourth Proportional to 41,215.71, 61,778.48 and 21,226.41

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Solution

The fourth proportional to 41,215.71, 61,778.48 and 21,226.41 is: 31,816.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,215.71 : 61,778.48 = 21,226.41 : x
  2. Step 2: Convert to fraction form
    41,215.71/61,778.48 = 21,226.41/x
  3. Step 3: Cross multiply
    41,215.71x = 61,778.48 × 21,226.41
  4. Step 4: Simplify right side
    41,215.71x = 1,311,335,239.52
  5. Step 5: Solve for x
    x = 1,311,335,239.52/41,215.71
  6. Step 6: Final answer
    x = 31,816.39

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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.