Home / 40,259.28-60,361.38-20,499.60

Finding the Fourth Proportional to 40,259.28, 60,361.38 and 20,499.60

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Solution

The fourth proportional to 40,259.28, 60,361.38 and 20,499.60 is: 30,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,259.28 : 60,361.38 = 20,499.60 : x
  2. Step 2: Convert to fraction form
    40,259.28/60,361.38 = 20,499.60/x
  3. Step 3: Cross multiply
    40,259.28x = 60,361.38 × 20,499.60
  4. Step 4: Simplify right side
    40,259.28x = 1,237,384,145.45
  5. Step 5: Solve for x
    x = 1,237,384,145.45/40,259.28
  6. Step 6: Final answer
    x = 30,735.38

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1.5x scale

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.