Home / 31,390.97-43,318.82-17,050.62

Finding the Fourth Proportional to 31,390.97, 43,318.82 and 17,050.62

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Solution

The fourth proportional to 31,390.97, 43,318.82 and 17,050.62 is: 23,529.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,390.97 : 43,318.82 = 17,050.62 : x
  2. Step 2: Convert to fraction form
    31,390.97/43,318.82 = 17,050.62/x
  3. Step 3: Cross multiply
    31,390.97x = 43,318.82 × 17,050.62
  4. Step 4: Simplify right side
    31,390.97x = 738,612,653.42
  5. Step 5: Solve for x
    x = 738,612,653.42/31,390.97
  6. Step 6: Final answer
    x = 23,529.47

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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.