Home / 45,451.44-68,174.16-21,775.92

Finding the Fourth Proportional to 45,451.44, 68,174.16 and 21,775.92

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Solution

The fourth proportional to 45,451.44, 68,174.16 and 21,775.92 is: 32,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,451.44 : 68,174.16 = 21,775.92 : x
  2. Step 2: Convert to fraction form
    45,451.44/68,174.16 = 21,775.92/x
  3. Step 3: Cross multiply
    45,451.44x = 68,174.16 × 21,775.92
  4. Step 4: Simplify right side
    45,451.44x = 1,484,555,054.23
  5. Step 5: Solve for x
    x = 1,484,555,054.23/45,451.44
  6. Step 6: Final answer
    x = 32,662.44

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Double scale
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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.