Home / 31,338.18-43,249.65-17,906.84

Finding the Fourth Proportional to 31,338.18, 43,249.65 and 17,906.84

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Solution

The fourth proportional to 31,338.18, 43,249.65 and 17,906.84 is: 24,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,338.18 : 43,249.65 = 17,906.84 : x
  2. Step 2: Convert to fraction form
    31,338.18/43,249.65 = 17,906.84/x
  3. Step 3: Cross multiply
    31,338.18x = 43,249.65 × 17,906.84
  4. Step 4: Simplify right side
    31,338.18x = 774,464,441.39
  5. Step 5: Solve for x
    x = 774,464,441.39/31,338.18
  6. Step 6: Final answer
    x = 24,713.13

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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.