Home / 31,021.38-46,504.40-11,286.14

Finding the Fourth Proportional to 31,021.38, 46,504.40 and 11,286.14

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Solution

The fourth proportional to 31,021.38, 46,504.40 and 11,286.14 is: 16,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,021.38 : 46,504.40 = 11,286.14 : x
  2. Step 2: Convert to fraction form
    31,021.38/46,504.40 = 11,286.14/x
  3. Step 3: Cross multiply
    31,021.38x = 46,504.40 × 11,286.14
  4. Step 4: Simplify right side
    31,021.38x = 524,854,880.06
  5. Step 5: Solve for x
    x = 524,854,880.06/31,021.38
  6. Step 6: Final answer
    x = 16,919.13

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1.5x scale

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.