Home / 31,620.19-47,425.50-11,894.16

Finding the Fourth Proportional to 31,620.19, 47,425.50 and 11,894.16

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Solution

The fourth proportional to 31,620.19, 47,425.50 and 11,894.16 is: 17,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,620.19 : 47,425.50 = 11,894.16 : x
  2. Step 2: Convert to fraction form
    31,620.19/47,425.50 = 11,894.16/x
  3. Step 3: Cross multiply
    31,620.19x = 47,425.50 × 11,894.16
  4. Step 4: Simplify right side
    31,620.19x = 564,086,396.16
  5. Step 5: Solve for x
    x = 564,086,396.16/31,620.19
  6. Step 6: Final answer
    x = 17,839.44

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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.