Home / 31,433.74-43,380.72-17,286.58

Finding the Fourth Proportional to 31,433.74, 43,380.72 and 17,286.58

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Solution

The fourth proportional to 31,433.74, 43,380.72 and 17,286.58 is: 23,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,433.74 : 43,380.72 = 17,286.58 : x
  2. Step 2: Convert to fraction form
    31,433.74/43,380.72 = 17,286.58/x
  3. Step 3: Cross multiply
    31,433.74x = 43,380.72 × 17,286.58
  4. Step 4: Simplify right side
    31,433.74x = 749,904,286.74
  5. Step 5: Solve for x
    x = 749,904,286.74/31,433.74
  6. Step 6: Final answer
    x = 23,856.67

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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.