Home / 38,778.96-58,169.64-10,699.50

Finding the Fourth Proportional to 38,778.96, 58,169.64 and 10,699.50

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Solution

The fourth proportional to 38,778.96, 58,169.64 and 10,699.50 is: 16,049.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,778.96 : 58,169.64 = 10,699.50 : x
  2. Step 2: Convert to fraction form
    38,778.96/58,169.64 = 10,699.50/x
  3. Step 3: Cross multiply
    38,778.96x = 58,169.64 × 10,699.50
  4. Step 4: Simplify right side
    38,778.96x = 622,386,063.18
  5. Step 5: Solve for x
    x = 622,386,063.18/38,778.96
  6. Step 6: Final answer
    x = 16,049.58

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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.