Home / 38,863.32-53,640.33-22,738.11

Finding the Fourth Proportional to 38,863.32, 53,640.33 and 22,738.11

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Solution

The fourth proportional to 38,863.32, 53,640.33 and 22,738.11 is: 31,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,863.32 : 53,640.33 = 22,738.11 : x
  2. Step 2: Convert to fraction form
    38,863.32/53,640.33 = 22,738.11/x
  3. Step 3: Cross multiply
    38,863.32x = 53,640.33 × 22,738.11
  4. Step 4: Simplify right side
    38,863.32x = 1,219,679,723.98
  5. Step 5: Solve for x
    x = 1,219,679,723.98/38,863.32
  6. Step 6: Final answer
    x = 31,383.83

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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.