Home / 31,421.68-43,361.94-17,274.76

Finding the Fourth Proportional to 31,421.68, 43,361.94 and 17,274.76

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Solution

The fourth proportional to 31,421.68, 43,361.94 and 17,274.76 is: 23,839.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,421.68 : 43,361.94 = 17,274.76 : x
  2. Step 2: Convert to fraction form
    31,421.68/43,361.94 = 17,274.76/x
  3. Step 3: Cross multiply
    31,421.68x = 43,361.94 × 17,274.76
  4. Step 4: Simplify right side
    31,421.68x = 749,067,106.63
  5. Step 5: Solve for x
    x = 749,067,106.63/31,421.68
  6. Step 6: Final answer
    x = 23,839.18

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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.