Home / 40,372.50-60,571.08-20,665.02

Finding the Fourth Proportional to 40,372.50, 60,571.08 and 20,665.02

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Solution

The fourth proportional to 40,372.50, 60,571.08 and 20,665.02 is: 31,003.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,372.50 : 60,571.08 = 20,665.02 : x
  2. Step 2: Convert to fraction form
    40,372.50/60,571.08 = 20,665.02/x
  3. Step 3: Cross multiply
    40,372.50x = 60,571.08 × 20,665.02
  4. Step 4: Simplify right side
    40,372.50x = 1,251,702,579.62
  5. Step 5: Solve for x
    x = 1,251,702,579.62/40,372.50
  6. Step 6: Final answer
    x = 31,003.84

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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.