Home / 40,388.14-60,591.79-12,686.14

Finding the Fourth Proportional to 40,388.14, 60,591.79 and 12,686.14

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Solution

The fourth proportional to 40,388.14, 60,591.79 and 12,686.14 is: 19,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,388.14 : 60,591.79 = 12,686.14 : x
  2. Step 2: Convert to fraction form
    40,388.14/60,591.79 = 12,686.14/x
  3. Step 3: Cross multiply
    40,388.14x = 60,591.79 × 12,686.14
  4. Step 4: Simplify right side
    40,388.14x = 768,675,930.79
  5. Step 5: Solve for x
    x = 768,675,930.79/40,388.14
  6. Step 6: Final answer
    x = 19,032.22

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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.