Home / 63,380.69-87,439.73-36,508.80

Finding the Fourth Proportional to 63,380.69, 87,439.73 and 36,508.80

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Solution

The fourth proportional to 63,380.69, 87,439.73 and 36,508.80 is: 50,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,380.69 : 87,439.73 = 36,508.80 : x
  2. Step 2: Convert to fraction form
    63,380.69/87,439.73 = 36,508.80/x
  3. Step 3: Cross multiply
    63,380.69x = 87,439.73 × 36,508.80
  4. Step 4: Simplify right side
    63,380.69x = 3,192,319,614.62
  5. Step 5: Solve for x
    x = 3,192,319,614.62/63,380.69
  6. Step 6: Final answer
    x = 50,367.38

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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.