Home / 40,518.72-60,799.41-20,797.29

Finding the Fourth Proportional to 40,518.72, 60,799.41 and 20,797.29

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Solution

The fourth proportional to 40,518.72, 60,799.41 and 20,797.29 is: 31,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,518.72 : 60,799.41 = 20,797.29 : x
  2. Step 2: Convert to fraction form
    40,518.72/60,799.41 = 20,797.29/x
  3. Step 3: Cross multiply
    40,518.72x = 60,799.41 × 20,797.29
  4. Step 4: Simplify right side
    40,518.72x = 1,264,462,961.60
  5. Step 5: Solve for x
    x = 1,264,462,961.60/40,518.72
  6. Step 6: Final answer
    x = 31,206.88

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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.