Home / 31,297.92-46,932.82-18,653.64

Finding the Fourth Proportional to 31,297.92, 46,932.82 and 18,653.64

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Solution

The fourth proportional to 31,297.92, 46,932.82 and 18,653.64 is: 27,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.92 : 46,932.82 = 18,653.64 : x
  2. Step 2: Convert to fraction form
    31,297.92/46,932.82 = 18,653.64/x
  3. Step 3: Cross multiply
    31,297.92x = 46,932.82 × 18,653.64
  4. Step 4: Simplify right side
    31,297.92x = 875,467,928.46
  5. Step 5: Solve for x
    x = 875,467,928.46/31,297.92
  6. Step 6: Final answer
    x = 27,972.08

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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.