Home / 35,579.43-49,102.16-19,663.56

Finding the Fourth Proportional to 35,579.43, 49,102.16 and 19,663.56

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Solution

The fourth proportional to 35,579.43, 49,102.16 and 19,663.56 is: 27,137.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,579.43 : 49,102.16 = 19,663.56 : x
  2. Step 2: Convert to fraction form
    35,579.43/49,102.16 = 19,663.56/x
  3. Step 3: Cross multiply
    35,579.43x = 49,102.16 × 19,663.56
  4. Step 4: Simplify right side
    35,579.43x = 965,523,170.97
  5. Step 5: Solve for x
    x = 965,523,170.97/35,579.43
  6. Step 6: Final answer
    x = 27,137.12

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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.