Home / 31,521.38-47,296.44-11,801.48

Finding the Fourth Proportional to 31,521.38, 47,296.44 and 11,801.48

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Solution

The fourth proportional to 31,521.38, 47,296.44 and 11,801.48 is: 17,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.38 : 47,296.44 = 11,801.48 : x
  2. Step 2: Convert to fraction form
    31,521.38/47,296.44 = 11,801.48/x
  3. Step 3: Cross multiply
    31,521.38x = 47,296.44 × 11,801.48
  4. Step 4: Simplify right side
    31,521.38x = 558,167,990.73
  5. Step 5: Solve for x
    x = 558,167,990.73/31,521.38
  6. Step 6: Final answer
    x = 17,707.60

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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.