Home / 33,060.72-45,631.32-18,921.36

Finding the Fourth Proportional to 33,060.72, 45,631.32 and 18,921.36

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Solution

The fourth proportional to 33,060.72, 45,631.32 and 18,921.36 is: 26,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,060.72 : 45,631.32 = 18,921.36 : x
  2. Step 2: Convert to fraction form
    33,060.72/45,631.32 = 18,921.36/x
  3. Step 3: Cross multiply
    33,060.72x = 45,631.32 × 18,921.36
  4. Step 4: Simplify right side
    33,060.72x = 863,406,633.00
  5. Step 5: Solve for x
    x = 863,406,633.00/33,060.72
  6. Step 6: Final answer
    x = 26,115.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.