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Finding the Fourth Proportional to 40,581.82, 60,885.15 and 19,251.01

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Solution

The fourth proportional to 40,581.82, 60,885.15 and 19,251.01 is: 28,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,581.82 : 60,885.15 = 19,251.01 : x
  2. Step 2: Convert to fraction form
    40,581.82/60,885.15 = 19,251.01/x
  3. Step 3: Cross multiply
    40,581.82x = 60,885.15 × 19,251.01
  4. Step 4: Simplify right side
    40,581.82x = 1,172,100,631.50
  5. Step 5: Solve for x
    x = 1,172,100,631.50/40,581.82
  6. Step 6: Final answer
    x = 28,882.41

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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.