Home / 40,917.40-61,365.30-12,837.40

Finding the Fourth Proportional to 40,917.40, 61,365.30 and 12,837.40

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Solution

The fourth proportional to 40,917.40, 61,365.30 and 12,837.40 is: 19,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,917.40 : 61,365.30 = 12,837.40 : x
  2. Step 2: Convert to fraction form
    40,917.40/61,365.30 = 12,837.40/x
  3. Step 3: Cross multiply
    40,917.40x = 61,365.30 × 12,837.40
  4. Step 4: Simplify right side
    40,917.40x = 787,770,902.22
  5. Step 5: Solve for x
    x = 787,770,902.22/40,917.40
  6. Step 6: Final answer
    x = 19,252.71

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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.