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Finding the Fourth Proportional to 40,327.80, 60,418.80 and 34,495.80

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Solution

The fourth proportional to 40,327.80, 60,418.80 and 34,495.80 is: 51,681.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,327.80 : 60,418.80 = 34,495.80 : x
  2. Step 2: Convert to fraction form
    40,327.80/60,418.80 = 34,495.80/x
  3. Step 3: Cross multiply
    40,327.80x = 60,418.80 × 34,495.80
  4. Step 4: Simplify right side
    40,327.80x = 2,084,194,841.04
  5. Step 5: Solve for x
    x = 2,084,194,841.04/40,327.80
  6. Step 6: Final answer
    x = 51,681.34

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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.