Home / 39,789.12-59,699.48-16,410.09

Finding the Fourth Proportional to 39,789.12, 59,699.48 and 16,410.09

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Solution

The fourth proportional to 39,789.12, 59,699.48 and 16,410.09 is: 24,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,789.12 : 59,699.48 = 16,410.09 : x
  2. Step 2: Convert to fraction form
    39,789.12/59,699.48 = 16,410.09/x
  3. Step 3: Cross multiply
    39,789.12x = 59,699.48 × 16,410.09
  4. Step 4: Simplify right side
    39,789.12x = 979,673,757.70
  5. Step 5: Solve for x
    x = 979,673,757.70/39,789.12
  6. Step 6: Final answer
    x = 24,621.65

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1.5x scale

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.