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Finding the Fourth Proportional to 36,482.49, 50,358.27 and 21,379.95

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Solution

The fourth proportional to 36,482.49, 50,358.27 and 21,379.95 is: 29,511.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,482.49 : 50,358.27 = 21,379.95 : x
  2. Step 2: Convert to fraction form
    36,482.49/50,358.27 = 21,379.95/x
  3. Step 3: Cross multiply
    36,482.49x = 50,358.27 × 21,379.95
  4. Step 4: Simplify right side
    36,482.49x = 1,076,657,294.69
  5. Step 5: Solve for x
    x = 1,076,657,294.69/36,482.49
  6. Step 6: Final answer
    x = 29,511.62

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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.