Home / 31,696.11-43,748.51-19,773.32

Finding the Fourth Proportional to 31,696.11, 43,748.51 and 19,773.32

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Solution

The fourth proportional to 31,696.11, 43,748.51 and 19,773.32 is: 27,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,696.11 : 43,748.51 = 19,773.32 : x
  2. Step 2: Convert to fraction form
    31,696.11/43,748.51 = 19,773.32/x
  3. Step 3: Cross multiply
    31,696.11x = 43,748.51 × 19,773.32
  4. Step 4: Simplify right side
    31,696.11x = 865,052,970.14
  5. Step 5: Solve for x
    x = 865,052,970.14/31,696.11
  6. Step 6: Final answer
    x = 27,292.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.