Home / 38,305.92-57,458.52-13,345.92

Finding the Fourth Proportional to 38,305.92, 57,458.52 and 13,345.92

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Solution

The fourth proportional to 38,305.92, 57,458.52 and 13,345.92 is: 20,018.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,305.92 : 57,458.52 = 13,345.92 : x
  2. Step 2: Convert to fraction form
    38,305.92/57,458.52 = 13,345.92/x
  3. Step 3: Cross multiply
    38,305.92x = 57,458.52 × 13,345.92
  4. Step 4: Simplify right side
    38,305.92x = 766,836,811.24
  5. Step 5: Solve for x
    x = 766,836,811.24/38,305.92
  6. Step 6: Final answer
    x = 20,018.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.