Home / 31,433.81-43,377.77-17,286.65

Finding the Fourth Proportional to 31,433.81, 43,377.77 and 17,286.65

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Solution

The fourth proportional to 31,433.81, 43,377.77 and 17,286.65 is: 23,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,433.81 : 43,377.77 = 17,286.65 : x
  2. Step 2: Convert to fraction form
    31,433.81/43,377.77 = 17,286.65/x
  3. Step 3: Cross multiply
    31,433.81x = 43,377.77 × 17,286.65
  4. Step 4: Simplify right side
    31,433.81x = 749,856,316.76
  5. Step 5: Solve for x
    x = 749,856,316.76/31,433.81
  6. Step 6: Final answer
    x = 23,855.09

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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.