Home / 47,785.92-65,950.72-28,923.36

Finding the Fourth Proportional to 47,785.92, 65,950.72 and 28,923.36

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Solution

The fourth proportional to 47,785.92, 65,950.72 and 28,923.36 is: 39,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,785.92 : 65,950.72 = 28,923.36 : x
  2. Step 2: Convert to fraction form
    47,785.92/65,950.72 = 28,923.36/x
  3. Step 3: Cross multiply
    47,785.92x = 65,950.72 × 28,923.36
  4. Step 4: Simplify right side
    47,785.92x = 1,907,516,416.82
  5. Step 5: Solve for x
    x = 1,907,516,416.82/47,785.92
  6. Step 6: Final answer
    x = 39,917.96

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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.