Home / 40,650.36-60,977.52-12,589.80

Finding the Fourth Proportional to 40,650.36, 60,977.52 and 12,589.80

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Solution

The fourth proportional to 40,650.36, 60,977.52 and 12,589.80 is: 18,885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,650.36 : 60,977.52 = 12,589.80 : x
  2. Step 2: Convert to fraction form
    40,650.36/60,977.52 = 12,589.80/x
  3. Step 3: Cross multiply
    40,650.36x = 60,977.52 × 12,589.80
  4. Step 4: Simplify right side
    40,650.36x = 767,694,781.30
  5. Step 5: Solve for x
    x = 767,694,781.30/40,650.36
  6. Step 6: Final answer
    x = 18,885.31

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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.