Home / 31,650.52-47,479.44-14,118.16

Finding the Fourth Proportional to 31,650.52, 47,479.44 and 14,118.16

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Solution

The fourth proportional to 31,650.52, 47,479.44 and 14,118.16 is: 21,178.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,650.52 : 47,479.44 = 14,118.16 : x
  2. Step 2: Convert to fraction form
    31,650.52/47,479.44 = 14,118.16/x
  3. Step 3: Cross multiply
    31,650.52x = 47,479.44 × 14,118.16
  4. Step 4: Simplify right side
    31,650.52x = 670,322,330.63
  5. Step 5: Solve for x
    x = 670,322,330.63/31,650.52
  6. Step 6: Final answer
    x = 21,178.87

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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.