Home / 40,716.96-61,084.24-12,636.44

Finding the Fourth Proportional to 40,716.96, 61,084.24 and 12,636.44

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Solution

The fourth proportional to 40,716.96, 61,084.24 and 12,636.44 is: 18,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,716.96 : 61,084.24 = 12,636.44 : x
  2. Step 2: Convert to fraction form
    40,716.96/61,084.24 = 12,636.44/x
  3. Step 3: Cross multiply
    40,716.96x = 61,084.24 × 12,636.44
  4. Step 4: Simplify right side
    40,716.96x = 771,887,333.71
  5. Step 5: Solve for x
    x = 771,887,333.71/40,716.96
  6. Step 6: Final answer
    x = 18,957.39

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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.