Home / 31,293.09-43,169.99-27,711.70

Finding the Fourth Proportional to 31,293.09, 43,169.99 and 27,711.70

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Solution

The fourth proportional to 31,293.09, 43,169.99 and 27,711.70 is: 38,229.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293.09 : 43,169.99 = 27,711.70 : x
  2. Step 2: Convert to fraction form
    31,293.09/43,169.99 = 27,711.70/x
  3. Step 3: Cross multiply
    31,293.09x = 43,169.99 × 27,711.70
  4. Step 4: Simplify right side
    31,293.09x = 1,196,313,881.16
  5. Step 5: Solve for x
    x = 1,196,313,881.16/31,293.09
  6. Step 6: Final answer
    x = 38,229.33

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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.