Home / 40,717.71-61,115.99-19,672.56

Finding the Fourth Proportional to 40,717.71, 61,115.99 and 19,672.56

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Solution

The fourth proportional to 40,717.71, 61,115.99 and 19,672.56 is: 29,527.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,717.71 : 61,115.99 = 19,672.56 : x
  2. Step 2: Convert to fraction form
    40,717.71/61,115.99 = 19,672.56/x
  3. Step 3: Cross multiply
    40,717.71x = 61,115.99 × 19,672.56
  4. Step 4: Simplify right side
    40,717.71x = 1,202,307,881.87
  5. Step 5: Solve for x
    x = 1,202,307,881.87/40,717.71
  6. Step 6: Final answer
    x = 29,527.89

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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.