Home / 47,649.20-71,420.28-22,361.12

Finding the Fourth Proportional to 47,649.20, 71,420.28 and 22,361.12

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Solution

The fourth proportional to 47,649.20, 71,420.28 and 22,361.12 is: 33,516.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,649.20 : 71,420.28 = 22,361.12 : x
  2. Step 2: Convert to fraction form
    47,649.20/71,420.28 = 22,361.12/x
  3. Step 3: Cross multiply
    47,649.20x = 71,420.28 × 22,361.12
  4. Step 4: Simplify right side
    47,649.20x = 1,597,037,451.51
  5. Step 5: Solve for x
    x = 1,597,037,451.51/47,649.20
  6. Step 6: Final answer
    x = 33,516.56

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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.