Home / 51,295.32-70,789.68-28,635.57

Finding the Fourth Proportional to 51,295.32, 70,789.68 and 28,635.57

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Solution

The fourth proportional to 51,295.32, 70,789.68 and 28,635.57 is: 39,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,295.32 : 70,789.68 = 28,635.57 : x
  2. Step 2: Convert to fraction form
    51,295.32/70,789.68 = 28,635.57/x
  3. Step 3: Cross multiply
    51,295.32x = 70,789.68 × 28,635.57
  4. Step 4: Simplify right side
    51,295.32x = 2,027,102,836.92
  5. Step 5: Solve for x
    x = 2,027,102,836.92/51,295.32
  6. Step 6: Final answer
    x = 39,518.28

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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.