Home / 35,115.38-48,459.27-20,007.38

Finding the Fourth Proportional to 35,115.38, 48,459.27 and 20,007.38

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Solution

The fourth proportional to 35,115.38, 48,459.27 and 20,007.38 is: 27,610.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,115.38 : 48,459.27 = 20,007.38 : x
  2. Step 2: Convert to fraction form
    35,115.38/48,459.27 = 20,007.38/x
  3. Step 3: Cross multiply
    35,115.38x = 48,459.27 × 20,007.38
  4. Step 4: Simplify right side
    35,115.38x = 969,543,029.41
  5. Step 5: Solve for x
    x = 969,543,029.41/35,115.38
  6. Step 6: Final answer
    x = 27,610.21

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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.