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Finding the Fourth Proportional to 51,675.87, 77,512.05 and 14,739.87

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Solution

The fourth proportional to 51,675.87, 77,512.05 and 14,739.87 is: 22,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,675.87 : 77,512.05 = 14,739.87 : x
  2. Step 2: Convert to fraction form
    51,675.87/77,512.05 = 14,739.87/x
  3. Step 3: Cross multiply
    51,675.87x = 77,512.05 × 14,739.87
  4. Step 4: Simplify right side
    51,675.87x = 1,142,517,540.43
  5. Step 5: Solve for x
    x = 1,142,517,540.43/51,675.87
  6. Step 6: Final answer
    x = 22,109.30

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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.