Home / 31,128.33-46,681.03-11,132.43

Finding the Fourth Proportional to 31,128.33, 46,681.03 and 11,132.43

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Solution

The fourth proportional to 31,128.33, 46,681.03 and 11,132.43 is: 16,694.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,128.33 : 46,681.03 = 11,132.43 : x
  2. Step 2: Convert to fraction form
    31,128.33/46,681.03 = 11,132.43/x
  3. Step 3: Cross multiply
    31,128.33x = 46,681.03 × 11,132.43
  4. Step 4: Simplify right side
    31,128.33x = 519,673,298.80
  5. Step 5: Solve for x
    x = 519,673,298.80/31,128.33
  6. Step 6: Final answer
    x = 16,694.54

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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.