Home / 63,976.40-95,964.60-30,690.80

Finding the Fourth Proportional to 63,976.40, 95,964.60 and 30,690.80

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Solution

The fourth proportional to 63,976.40, 95,964.60 and 30,690.80 is: 46,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,976.40 : 95,964.60 = 30,690.80 : x
  2. Step 2: Convert to fraction form
    63,976.40/95,964.60 = 30,690.80/x
  3. Step 3: Cross multiply
    63,976.40x = 95,964.60 × 30,690.80
  4. Step 4: Simplify right side
    63,976.40x = 2,945,230,345.68
  5. Step 5: Solve for x
    x = 2,945,230,345.68/63,976.40
  6. Step 6: Final answer
    x = 46,036.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.