Home / 31,521.39-47,296.44-11,801.48

Finding the Fourth Proportional to 31,521.39, 47,296.44 and 11,801.48

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Solution

The fourth proportional to 31,521.39, 47,296.44 and 11,801.48 is: 17,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.39 : 47,296.44 = 11,801.48 : x
  2. Step 2: Convert to fraction form
    31,521.39/47,296.44 = 11,801.48/x
  3. Step 3: Cross multiply
    31,521.39x = 47,296.44 × 11,801.48
  4. Step 4: Simplify right side
    31,521.39x = 558,167,931.72
  5. Step 5: Solve for x
    x = 558,167,931.72/31,521.39
  6. Step 6: Final answer
    x = 17,707.59

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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.