Home / 31,184.17-43,021.94-19,226.75

Finding the Fourth Proportional to 31,184.17, 43,021.94 and 19,226.75

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Solution

The fourth proportional to 31,184.17, 43,021.94 and 19,226.75 is: 26,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,184.17 : 43,021.94 = 19,226.75 : x
  2. Step 2: Convert to fraction form
    31,184.17/43,021.94 = 19,226.75/x
  3. Step 3: Cross multiply
    31,184.17x = 43,021.94 × 19,226.75
  4. Step 4: Simplify right side
    31,184.17x = 827,171,773.65
  5. Step 5: Solve for x
    x = 827,171,773.65/31,184.17
  6. Step 6: Final answer
    x = 26,525.38

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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.