Home / 47,347.52-65,358.28-28,481.04

Finding the Fourth Proportional to 47,347.52, 65,358.28 and 28,481.04

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Solution

The fourth proportional to 47,347.52, 65,358.28 and 28,481.04 is: 39,315.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,347.52 : 65,358.28 = 28,481.04 : x
  2. Step 2: Convert to fraction form
    47,347.52/65,358.28 = 28,481.04/x
  3. Step 3: Cross multiply
    47,347.52x = 65,358.28 × 28,481.04
  4. Step 4: Simplify right side
    47,347.52x = 1,861,471,787.01
  5. Step 5: Solve for x
    x = 1,861,471,787.01/47,347.52
  6. Step 6: Final answer
    x = 39,315.09

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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.