Home / 38,919.86-53,710.73-23,017.94

Finding the Fourth Proportional to 38,919.86, 53,710.73 and 23,017.94

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Solution

The fourth proportional to 38,919.86, 53,710.73 and 23,017.94 is: 31,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.86 : 53,710.73 = 23,017.94 : x
  2. Step 2: Convert to fraction form
    38,919.86/53,710.73 = 23,017.94/x
  3. Step 3: Cross multiply
    38,919.86x = 53,710.73 × 23,017.94
  4. Step 4: Simplify right side
    38,919.86x = 1,236,309,976.85
  5. Step 5: Solve for x
    x = 1,236,309,976.85/38,919.86
  6. Step 6: Final answer
    x = 31,765.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.