Home / 39,282.35-58,917.87-12,624.86

Finding the Fourth Proportional to 39,282.35, 58,917.87 and 12,624.86

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Solution

The fourth proportional to 39,282.35, 58,917.87 and 12,624.86 is: 18,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,282.35 : 58,917.87 = 12,624.86 : x
  2. Step 2: Convert to fraction form
    39,282.35/58,917.87 = 12,624.86/x
  3. Step 3: Cross multiply
    39,282.35x = 58,917.87 × 12,624.86
  4. Step 4: Simplify right side
    39,282.35x = 743,830,007.54
  5. Step 5: Solve for x
    x = 743,830,007.54/39,282.35
  6. Step 6: Final answer
    x = 18,935.48

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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.