Home / 38,947.91-53,769.72-25,538.86

Finding the Fourth Proportional to 38,947.91, 53,769.72 and 25,538.86

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Solution

The fourth proportional to 38,947.91, 53,769.72 and 25,538.86 is: 35,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,947.91 : 53,769.72 = 25,538.86 : x
  2. Step 2: Convert to fraction form
    38,947.91/53,769.72 = 25,538.86/x
  3. Step 3: Cross multiply
    38,947.91x = 53,769.72 × 25,538.86
  4. Step 4: Simplify right side
    38,947.91x = 1,373,217,514.30
  5. Step 5: Solve for x
    x = 1,373,217,514.30/38,947.91
  6. Step 6: Final answer
    x = 35,257.80

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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.