Home / 39,711.28-54,805.94-22,717.09

Finding the Fourth Proportional to 39,711.28, 54,805.94 and 22,717.09

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Solution

The fourth proportional to 39,711.28, 54,805.94 and 22,717.09 is: 31,352.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,711.28 : 54,805.94 = 22,717.09 : x
  2. Step 2: Convert to fraction form
    39,711.28/54,805.94 = 22,717.09/x
  3. Step 3: Cross multiply
    39,711.28x = 54,805.94 × 22,717.09
  4. Step 4: Simplify right side
    39,711.28x = 1,245,031,471.51
  5. Step 5: Solve for x
    x = 1,245,031,471.51/39,711.28
  6. Step 6: Final answer
    x = 31,352.09

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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.