Home / 40,699.32-61,026.57-12,611.58

Finding the Fourth Proportional to 40,699.32, 61,026.57 and 12,611.58

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Solution

The fourth proportional to 40,699.32, 61,026.57 and 12,611.58 is: 18,910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,699.32 : 61,026.57 = 12,611.58 : x
  2. Step 2: Convert to fraction form
    40,699.32/61,026.57 = 12,611.58/x
  3. Step 3: Cross multiply
    40,699.32x = 61,026.57 × 12,611.58
  4. Step 4: Simplify right side
    40,699.32x = 769,641,469.68
  5. Step 5: Solve for x
    x = 769,641,469.68/40,699.32
  6. Step 6: Final answer
    x = 18,910.43

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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.