Home / 35,105.28-48,446.45-19,189.38

Finding the Fourth Proportional to 35,105.28, 48,446.45 and 19,189.38

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Solution

The fourth proportional to 35,105.28, 48,446.45 and 19,189.38 is: 26,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,105.28 : 48,446.45 = 19,189.38 : x
  2. Step 2: Convert to fraction form
    35,105.28/48,446.45 = 19,189.38/x
  3. Step 3: Cross multiply
    35,105.28x = 48,446.45 × 19,189.38
  4. Step 4: Simplify right side
    35,105.28x = 929,657,338.70
  5. Step 5: Solve for x
    x = 929,657,338.70/35,105.28
  6. Step 6: Final answer
    x = 26,481.98

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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.