Home / 39,932.85-55,107.35-22,027.86

Finding the Fourth Proportional to 39,932.85, 55,107.35 and 22,027.86

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Solution

The fourth proportional to 39,932.85, 55,107.35 and 22,027.86 is: 30,398.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.85 : 55,107.35 = 22,027.86 : x
  2. Step 2: Convert to fraction form
    39,932.85/55,107.35 = 22,027.86/x
  3. Step 3: Cross multiply
    39,932.85x = 55,107.35 × 22,027.86
  4. Step 4: Simplify right side
    39,932.85x = 1,213,896,880.63
  5. Step 5: Solve for x
    x = 1,213,896,880.63/39,932.85
  6. Step 6: Final answer
    x = 30,398.45

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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.