Home / 40,286.76-60,467.76-20,579.46

Finding the Fourth Proportional to 40,286.76, 60,467.76 and 20,579.46

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Solution

The fourth proportional to 40,286.76, 60,467.76 and 20,579.46 is: 30,888.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,286.76 : 60,467.76 = 20,579.46 : x
  2. Step 2: Convert to fraction form
    40,286.76/60,467.76 = 20,579.46/x
  3. Step 3: Cross multiply
    40,286.76x = 60,467.76 × 20,579.46
  4. Step 4: Simplify right side
    40,286.76x = 1,244,393,848.21
  5. Step 5: Solve for x
    x = 1,244,393,848.21/40,286.76
  6. Step 6: Final answer
    x = 30,888.41

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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.