Home / 31,536.88-47,279.67-11,804.38

Finding the Fourth Proportional to 31,536.88, 47,279.67 and 11,804.38

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Solution

The fourth proportional to 31,536.88, 47,279.67 and 11,804.38 is: 17,696.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536.88 : 47,279.67 = 11,804.38 : x
  2. Step 2: Convert to fraction form
    31,536.88/47,279.67 = 11,804.38/x
  3. Step 3: Cross multiply
    31,536.88x = 47,279.67 × 11,804.38
  4. Step 4: Simplify right side
    31,536.88x = 558,107,190.95
  5. Step 5: Solve for x
    x = 558,107,190.95/31,536.88
  6. Step 6: Final answer
    x = 17,696.97

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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.