Home / 63,511.43-87,657.19-36,650.21

Finding the Fourth Proportional to 63,511.43, 87,657.19 and 36,650.21

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Solution

The fourth proportional to 63,511.43, 87,657.19 and 36,650.21 is: 50,583.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,511.43 : 87,657.19 = 36,650.21 : x
  2. Step 2: Convert to fraction form
    63,511.43/87,657.19 = 36,650.21/x
  3. Step 3: Cross multiply
    63,511.43x = 87,657.19 × 36,650.21
  4. Step 4: Simplify right side
    63,511.43x = 3,212,653,891.60
  5. Step 5: Solve for x
    x = 3,212,653,891.60/63,511.43
  6. Step 6: Final answer
    x = 50,583.87

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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.