Home / 31,540.19-47,296.91-11,804.99

Finding the Fourth Proportional to 31,540.19, 47,296.91 and 11,804.99

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Solution

The fourth proportional to 31,540.19, 47,296.91 and 11,804.99 is: 17,702.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,540.19 : 47,296.91 = 11,804.99 : x
  2. Step 2: Convert to fraction form
    31,540.19/47,296.91 = 11,804.99/x
  3. Step 3: Cross multiply
    31,540.19x = 47,296.91 × 11,804.99
  4. Step 4: Simplify right side
    31,540.19x = 558,339,342.61
  5. Step 5: Solve for x
    x = 558,339,342.61/31,540.19
  6. Step 6: Final answer
    x = 17,702.48

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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.