Home / 40,396.60-60,597.80-12,696.76

Finding the Fourth Proportional to 40,396.60, 60,597.80 and 12,696.76

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Solution

The fourth proportional to 40,396.60, 60,597.80 and 12,696.76 is: 19,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,396.60 : 60,597.80 = 12,696.76 : x
  2. Step 2: Convert to fraction form
    40,396.60/60,597.80 = 12,696.76/x
  3. Step 3: Cross multiply
    40,396.60x = 60,597.80 × 12,696.76
  4. Step 4: Simplify right side
    40,396.60x = 769,395,723.13
  5. Step 5: Solve for x
    x = 769,395,723.13/40,396.60
  6. Step 6: Final answer
    x = 19,046.05

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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.