Home / 47,789.28-71,683.91-14,509.22

Finding the Fourth Proportional to 47,789.28, 71,683.91 and 14,509.22

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Solution

The fourth proportional to 47,789.28, 71,683.91 and 14,509.22 is: 21,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,789.28 : 71,683.91 = 14,509.22 : x
  2. Step 2: Convert to fraction form
    47,789.28/71,683.91 = 14,509.22/x
  3. Step 3: Cross multiply
    47,789.28x = 71,683.91 × 14,509.22
  4. Step 4: Simplify right side
    47,789.28x = 1,040,077,189.68
  5. Step 5: Solve for x
    x = 1,040,077,189.68/47,789.28
  6. Step 6: Final answer
    x = 21,763.82

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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.