Home / 35,755.56-49,345.38-19,839.88

Finding the Fourth Proportional to 35,755.56, 49,345.38 and 19,839.88

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Solution

The fourth proportional to 35,755.56, 49,345.38 and 19,839.88 is: 27,380.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,755.56 : 49,345.38 = 19,839.88 : x
  2. Step 2: Convert to fraction form
    35,755.56/49,345.38 = 19,839.88/x
  3. Step 3: Cross multiply
    35,755.56x = 49,345.38 × 19,839.88
  4. Step 4: Simplify right side
    35,755.56x = 979,006,417.75
  5. Step 5: Solve for x
    x = 979,006,417.75/35,755.56
  6. Step 6: Final answer
    x = 27,380.54

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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.