Home / 35,115.82-48,464.29-20,013.91

Finding the Fourth Proportional to 35,115.82, 48,464.29 and 20,013.91

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Solution

The fourth proportional to 35,115.82, 48,464.29 and 20,013.91 is: 27,621.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,115.82 : 48,464.29 = 20,013.91 : x
  2. Step 2: Convert to fraction form
    35,115.82/48,464.29 = 20,013.91/x
  3. Step 3: Cross multiply
    35,115.82x = 48,464.29 × 20,013.91
  4. Step 4: Simplify right side
    35,115.82x = 969,959,938.27
  5. Step 5: Solve for x
    x = 969,959,938.27/35,115.82
  6. Step 6: Final answer
    x = 27,621.74

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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.