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Finding the Fourth Proportional to 36,226, 54,338.82 and 21,998.08

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Solution

The fourth proportional to 36,226, 54,338.82 and 21,998.08 is: 32,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,226 : 54,338.82 = 21,998.08 : x
  2. Step 2: Convert to fraction form
    36,226/54,338.82 = 21,998.08/x
  3. Step 3: Cross multiply
    36,226x = 54,338.82 × 21,998.08
  4. Step 4: Simplify right side
    36,226x = 1,195,349,709.47
  5. Step 5: Solve for x
    x = 1,195,349,709.47/36,226
  6. Step 6: Final answer
    x = 32,997.01

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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.