Home / 38,520.16-53,183.40-25,789.76

Finding the Fourth Proportional to 38,520.16, 53,183.40 and 25,789.76

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Solution

The fourth proportional to 38,520.16, 53,183.40 and 25,789.76 is: 35,606.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,520.16 : 53,183.40 = 25,789.76 : x
  2. Step 2: Convert to fraction form
    38,520.16/53,183.40 = 25,789.76/x
  3. Step 3: Cross multiply
    38,520.16x = 53,183.40 × 25,789.76
  4. Step 4: Simplify right side
    38,520.16x = 1,371,587,121.98
  5. Step 5: Solve for x
    x = 1,371,587,121.98/38,520.16
  6. Step 6: Final answer
    x = 35,606.99

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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.