Home / 31,976.88-47,963.54-9,790.24

Finding the Fourth Proportional to 31,976.88, 47,963.54 and 9,790.24

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Solution

The fourth proportional to 31,976.88, 47,963.54 and 9,790.24 is: 14,684.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,976.88 : 47,963.54 = 9,790.24 : x
  2. Step 2: Convert to fraction form
    31,976.88/47,963.54 = 9,790.24/x
  3. Step 3: Cross multiply
    31,976.88x = 47,963.54 × 9,790.24
  4. Step 4: Simplify right side
    31,976.88x = 469,574,567.85
  5. Step 5: Solve for x
    x = 469,574,567.85/31,976.88
  6. Step 6: Final answer
    x = 14,684.82

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1.5x scale

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.