Home / 29,216.46-40,310.55-19,669.80

Finding the Fourth Proportional to 29,216.46, 40,310.55 and 19,669.80

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Solution

The fourth proportional to 29,216.46, 40,310.55 and 19,669.80 is: 27,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,216.46 : 40,310.55 = 19,669.80 : x
  2. Step 2: Convert to fraction form
    29,216.46/40,310.55 = 19,669.80/x
  3. Step 3: Cross multiply
    29,216.46x = 40,310.55 × 19,669.80
  4. Step 4: Simplify right side
    29,216.46x = 792,900,456.39
  5. Step 5: Solve for x
    x = 792,900,456.39/29,216.46
  6. Step 6: Final answer
    x = 27,138.83

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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.