Home / 38,989.43-58,473.77-10,907.75

Finding the Fourth Proportional to 38,989.43, 58,473.77 and 10,907.75

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Solution

The fourth proportional to 38,989.43, 58,473.77 and 10,907.75 is: 16,358.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,989.43 : 58,473.77 = 10,907.75 : x
  2. Step 2: Convert to fraction form
    38,989.43/58,473.77 = 10,907.75/x
  3. Step 3: Cross multiply
    38,989.43x = 58,473.77 × 10,907.75
  4. Step 4: Simplify right side
    38,989.43x = 637,816,917.81
  5. Step 5: Solve for x
    x = 637,816,917.81/38,989.43
  6. Step 6: Final answer
    x = 16,358.71

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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.