Home / 31,814.22-47,728.19-9,326.75

Finding the Fourth Proportional to 31,814.22, 47,728.19 and 9,326.75

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Solution

The fourth proportional to 31,814.22, 47,728.19 and 9,326.75 is: 13,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,814.22 : 47,728.19 = 9,326.75 : x
  2. Step 2: Convert to fraction form
    31,814.22/47,728.19 = 9,326.75/x
  3. Step 3: Cross multiply
    31,814.22x = 47,728.19 × 9,326.75
  4. Step 4: Simplify right side
    31,814.22x = 445,148,628.30
  5. Step 5: Solve for x
    x = 445,148,628.30/31,814.22
  6. Step 6: Final answer
    x = 13,992.13

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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.