Home / 38,945.28-53,746.56-22,183.68

Finding the Fourth Proportional to 38,945.28, 53,746.56 and 22,183.68

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Solution

The fourth proportional to 38,945.28, 53,746.56 and 22,183.68 is: 30,614.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,945.28 : 53,746.56 = 22,183.68 : x
  2. Step 2: Convert to fraction form
    38,945.28/53,746.56 = 22,183.68/x
  3. Step 3: Cross multiply
    38,945.28x = 53,746.56 × 22,183.68
  4. Step 4: Simplify right side
    38,945.28x = 1,192,296,488.14
  5. Step 5: Solve for x
    x = 1,192,296,488.14/38,945.28
  6. Step 6: Final answer
    x = 30,614.66

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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.