Home / 33,319.08-45,990.18-19,181.88

Finding the Fourth Proportional to 33,319.08, 45,990.18 and 19,181.88

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Solution

The fourth proportional to 33,319.08, 45,990.18 and 19,181.88 is: 26,476.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,319.08 : 45,990.18 = 19,181.88 : x
  2. Step 2: Convert to fraction form
    33,319.08/45,990.18 = 19,181.88/x
  3. Step 3: Cross multiply
    33,319.08x = 45,990.18 × 19,181.88
  4. Step 4: Simplify right side
    33,319.08x = 882,178,113.94
  5. Step 5: Solve for x
    x = 882,178,113.94/33,319.08
  6. Step 6: Final answer
    x = 26,476.66

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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.