Home / 40,495.20-60,751.12-17,121.76

Finding the Fourth Proportional to 40,495.20, 60,751.12 and 17,121.76

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Solution

The fourth proportional to 40,495.20, 60,751.12 and 17,121.76 is: 25,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,495.20 : 60,751.12 = 17,121.76 : x
  2. Step 2: Convert to fraction form
    40,495.20/60,751.12 = 17,121.76/x
  3. Step 3: Cross multiply
    40,495.20x = 60,751.12 × 17,121.76
  4. Step 4: Simplify right side
    40,495.20x = 1,040,166,096.37
  5. Step 5: Solve for x
    x = 1,040,166,096.37/40,495.20
  6. Step 6: Final answer
    x = 25,686.16

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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.