Home / 47,658.48-71,488.20-14,378.82

Finding the Fourth Proportional to 47,658.48, 71,488.20 and 14,378.82

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Solution

The fourth proportional to 47,658.48, 71,488.20 and 14,378.82 is: 21,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,658.48 : 71,488.20 = 14,378.82 : x
  2. Step 2: Convert to fraction form
    47,658.48/71,488.20 = 14,378.82/x
  3. Step 3: Cross multiply
    47,658.48x = 71,488.20 × 14,378.82
  4. Step 4: Simplify right side
    47,658.48x = 1,027,915,959.92
  5. Step 5: Solve for x
    x = 1,027,915,959.92/47,658.48
  6. Step 6: Final answer
    x = 21,568.37

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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.