Home / 50,579.82-75,826.89-20,979.18

Finding the Fourth Proportional to 50,579.82, 75,826.89 and 20,979.18

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Solution

The fourth proportional to 50,579.82, 75,826.89 and 20,979.18 is: 31,451.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,579.82 : 75,826.89 = 20,979.18 : x
  2. Step 2: Convert to fraction form
    50,579.82/75,826.89 = 20,979.18/x
  3. Step 3: Cross multiply
    50,579.82x = 75,826.89 × 20,979.18
  4. Step 4: Simplify right side
    50,579.82x = 1,590,785,974.15
  5. Step 5: Solve for x
    x = 1,590,785,974.15/50,579.82
  6. Step 6: Final answer
    x = 31,451.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.