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Finding the Fourth Proportional to 60,511.10, 83,493.33 and 36,640

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Solution

The fourth proportional to 60,511.10, 83,493.33 and 36,640 is: 50,555.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,511.10 : 83,493.33 = 36,640 : x
  2. Step 2: Convert to fraction form
    60,511.10/83,493.33 = 36,640/x
  3. Step 3: Cross multiply
    60,511.10x = 83,493.33 × 36,640
  4. Step 4: Simplify right side
    60,511.10x = 3,059,195,611.20
  5. Step 5: Solve for x
    x = 3,059,195,611.20/60,511.10
  6. Step 6: Final answer
    x = 50,555.94

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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.