Home / 31,422.66-47,149.38-14,782.02

Finding the Fourth Proportional to 31,422.66, 47,149.38 and 14,782.02

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Solution

The fourth proportional to 31,422.66, 47,149.38 and 14,782.02 is: 22,180.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,422.66 : 47,149.38 = 14,782.02 : x
  2. Step 2: Convert to fraction form
    31,422.66/47,149.38 = 14,782.02/x
  3. Step 3: Cross multiply
    31,422.66x = 47,149.38 × 14,782.02
  4. Step 4: Simplify right side
    31,422.66x = 696,963,078.15
  5. Step 5: Solve for x
    x = 696,963,078.15/31,422.66
  6. Step 6: Final answer
    x = 22,180.27

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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.