Home / 31,297.53-43,191.81-17,868.90

Finding the Fourth Proportional to 31,297.53, 43,191.81 and 17,868.90

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Solution

The fourth proportional to 31,297.53, 43,191.81 and 17,868.90 is: 24,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.53 : 43,191.81 = 17,868.90 : x
  2. Step 2: Convert to fraction form
    31,297.53/43,191.81 = 17,868.90/x
  3. Step 3: Cross multiply
    31,297.53x = 43,191.81 × 17,868.90
  4. Step 4: Simplify right side
    31,297.53x = 771,790,133.71
  5. Step 5: Solve for x
    x = 771,790,133.71/31,297.53
  6. Step 6: Final answer
    x = 24,659.78

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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.