Home / 31,786.65-43,868.85-17,639.58

Finding the Fourth Proportional to 31,786.65, 43,868.85 and 17,639.58

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Solution

The fourth proportional to 31,786.65, 43,868.85 and 17,639.58 is: 24,344.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,786.65 : 43,868.85 = 17,639.58 : x
  2. Step 2: Convert to fraction form
    31,786.65/43,868.85 = 17,639.58/x
  3. Step 3: Cross multiply
    31,786.65x = 43,868.85 × 17,639.58
  4. Step 4: Simplify right side
    31,786.65x = 773,828,089.08
  5. Step 5: Solve for x
    x = 773,828,089.08/31,786.65
  6. Step 6: Final answer
    x = 24,344.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.