Home / 63,619.40-87,786.50-35,319.62

Finding the Fourth Proportional to 63,619.40, 87,786.50 and 35,319.62

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Solution

The fourth proportional to 63,619.40, 87,786.50 and 35,319.62 is: 48,736.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,619.40 : 87,786.50 = 35,319.62 : x
  2. Step 2: Convert to fraction form
    63,619.40/87,786.50 = 35,319.62/x
  3. Step 3: Cross multiply
    63,619.40x = 87,786.50 × 35,319.62
  4. Step 4: Simplify right side
    63,619.40x = 3,100,585,821.13
  5. Step 5: Solve for x
    x = 3,100,585,821.13/63,619.40
  6. Step 6: Final answer
    x = 48,736.48

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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.