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Finding the Fourth Proportional to 40,511, 60,763.44 and 14,217.50

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Solution

The fourth proportional to 40,511, 60,763.44 and 14,217.50 is: 21,325.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,511 : 60,763.44 = 14,217.50 : x
  2. Step 2: Convert to fraction form
    40,511/60,763.44 = 14,217.50/x
  3. Step 3: Cross multiply
    40,511x = 60,763.44 × 14,217.50
  4. Step 4: Simplify right side
    40,511x = 863,904,208.20
  5. Step 5: Solve for x
    x = 863,904,208.20/40,511
  6. Step 6: Final answer
    x = 21,325.18

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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.