Home / 42,380.08-58,493.80-33,163.38

Finding the Fourth Proportional to 42,380.08, 58,493.80 and 33,163.38

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Solution

The fourth proportional to 42,380.08, 58,493.80 and 33,163.38 is: 45,772.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,380.08 : 58,493.80 = 33,163.38 : x
  2. Step 2: Convert to fraction form
    42,380.08/58,493.80 = 33,163.38/x
  3. Step 3: Cross multiply
    42,380.08x = 58,493.80 × 33,163.38
  4. Step 4: Simplify right side
    42,380.08x = 1,939,851,824.58
  5. Step 5: Solve for x
    x = 1,939,851,824.58/42,380.08
  6. Step 6: Final answer
    x = 45,772.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.