Home / 38,969.28-53,789.76-22,213.44

Finding the Fourth Proportional to 38,969.28, 53,789.76 and 22,213.44

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Solution

The fourth proportional to 38,969.28, 53,789.76 and 22,213.44 is: 30,661.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,969.28 : 53,789.76 = 22,213.44 : x
  2. Step 2: Convert to fraction form
    38,969.28/53,789.76 = 22,213.44/x
  3. Step 3: Cross multiply
    38,969.28x = 53,789.76 × 22,213.44
  4. Step 4: Simplify right side
    38,969.28x = 1,194,855,606.37
  5. Step 5: Solve for x
    x = 1,194,855,606.37/38,969.28
  6. Step 6: Final answer
    x = 30,661.48

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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.