Home / 38,535.78-53,179.74-22,620.49

Finding the Fourth Proportional to 38,535.78, 53,179.74 and 22,620.49

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Solution

The fourth proportional to 38,535.78, 53,179.74 and 22,620.49 is: 31,216.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,535.78 : 53,179.74 = 22,620.49 : x
  2. Step 2: Convert to fraction form
    38,535.78/53,179.74 = 22,620.49/x
  3. Step 3: Cross multiply
    38,535.78x = 53,179.74 × 22,620.49
  4. Step 4: Simplify right side
    38,535.78x = 1,202,951,776.87
  5. Step 5: Solve for x
    x = 1,202,951,776.87/38,535.78
  6. Step 6: Final answer
    x = 31,216.49

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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.