Home / 31,336.81-46,995.90-9,144.23

Finding the Fourth Proportional to 31,336.81, 46,995.90 and 9,144.23

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Solution

The fourth proportional to 31,336.81, 46,995.90 and 9,144.23 is: 13,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.81 : 46,995.90 = 9,144.23 : x
  2. Step 2: Convert to fraction form
    31,336.81/46,995.90 = 9,144.23/x
  3. Step 3: Cross multiply
    31,336.81x = 46,995.90 × 9,144.23
  4. Step 4: Simplify right side
    31,336.81x = 429,741,049.39
  5. Step 5: Solve for x
    x = 429,741,049.39/31,336.81
  6. Step 6: Final answer
    x = 13,713.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.