Home / 40,427.20-60,632.70-19,367.20

Finding the Fourth Proportional to 40,427.20, 60,632.70 and 19,367.20

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Solution

The fourth proportional to 40,427.20, 60,632.70 and 19,367.20 is: 29,046.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,427.20 : 60,632.70 = 19,367.20 : x
  2. Step 2: Convert to fraction form
    40,427.20/60,632.70 = 19,367.20/x
  3. Step 3: Cross multiply
    40,427.20x = 60,632.70 × 19,367.20
  4. Step 4: Simplify right side
    40,427.20x = 1,174,285,627.44
  5. Step 5: Solve for x
    x = 1,174,285,627.44/40,427.20
  6. Step 6: Final answer
    x = 29,046.92

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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.