Home / 38,293.08-57,439.10-13,332.66

Finding the Fourth Proportional to 38,293.08, 57,439.10 and 13,332.66

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Solution

The fourth proportional to 38,293.08, 57,439.10 and 13,332.66 is: 19,998.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,293.08 : 57,439.10 = 13,332.66 : x
  2. Step 2: Convert to fraction form
    38,293.08/57,439.10 = 13,332.66/x
  3. Step 3: Cross multiply
    38,293.08x = 57,439.10 × 13,332.66
  4. Step 4: Simplify right side
    38,293.08x = 765,815,991.01
  5. Step 5: Solve for x
    x = 765,815,991.01/38,293.08
  6. Step 6: Final answer
    x = 19,998.81

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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.