Home / 40,806.88-61,193.94-12,717.70

Finding the Fourth Proportional to 40,806.88, 61,193.94 and 12,717.70

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Solution

The fourth proportional to 40,806.88, 61,193.94 and 12,717.70 is: 19,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,806.88 : 61,193.94 = 12,717.70 : x
  2. Step 2: Convert to fraction form
    40,806.88/61,193.94 = 12,717.70/x
  3. Step 3: Cross multiply
    40,806.88x = 61,193.94 × 12,717.70
  4. Step 4: Simplify right side
    40,806.88x = 778,246,170.74
  5. Step 5: Solve for x
    x = 778,246,170.74/40,806.88
  6. Step 6: Final answer
    x = 19,071.45

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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.