Home / 31,361.76-43,279.11-17,214.57

Finding the Fourth Proportional to 31,361.76, 43,279.11 and 17,214.57

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Solution

The fourth proportional to 31,361.76, 43,279.11 and 17,214.57 is: 23,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,361.76 : 43,279.11 = 17,214.57 : x
  2. Step 2: Convert to fraction form
    31,361.76/43,279.11 = 17,214.57/x
  3. Step 3: Cross multiply
    31,361.76x = 43,279.11 × 17,214.57
  4. Step 4: Simplify right side
    31,361.76x = 745,031,268.63
  5. Step 5: Solve for x
    x = 745,031,268.63/31,361.76
  6. Step 6: Final answer
    x = 23,756.04

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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.