Home / 39,057.58-58,579.98-10,979.56

Finding the Fourth Proportional to 39,057.58, 58,579.98 and 10,979.56

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Solution

The fourth proportional to 39,057.58, 58,579.98 and 10,979.56 is: 16,467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,057.58 : 58,579.98 = 10,979.56 : x
  2. Step 2: Convert to fraction form
    39,057.58/58,579.98 = 10,979.56/x
  3. Step 3: Cross multiply
    39,057.58x = 58,579.98 × 10,979.56
  4. Step 4: Simplify right side
    39,057.58x = 643,182,405.21
  5. Step 5: Solve for x
    x = 643,182,405.21/39,057.58
  6. Step 6: Final answer
    x = 16,467.54

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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.