Home / 31,729.26-47,590.11-8,357.52

Finding the Fourth Proportional to 31,729.26, 47,590.11 and 8,357.52

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Solution

The fourth proportional to 31,729.26, 47,590.11 and 8,357.52 is: 12,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,729.26 : 47,590.11 = 8,357.52 : x
  2. Step 2: Convert to fraction form
    31,729.26/47,590.11 = 8,357.52/x
  3. Step 3: Cross multiply
    31,729.26x = 47,590.11 × 8,357.52
  4. Step 4: Simplify right side
    31,729.26x = 397,735,296.13
  5. Step 5: Solve for x
    x = 397,735,296.13/31,729.26
  6. Step 6: Final answer
    x = 12,535.28

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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.