Home / 31,996.08-47,992.35-9,809.55

Finding the Fourth Proportional to 31,996.08, 47,992.35 and 9,809.55

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Solution

The fourth proportional to 31,996.08, 47,992.35 and 9,809.55 is: 14,713.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,996.08 : 47,992.35 = 9,809.55 : x
  2. Step 2: Convert to fraction form
    31,996.08/47,992.35 = 9,809.55/x
  3. Step 3: Cross multiply
    31,996.08x = 47,992.35 × 9,809.55
  4. Step 4: Simplify right side
    31,996.08x = 470,783,356.94
  5. Step 5: Solve for x
    x = 470,783,356.94/31,996.08
  6. Step 6: Final answer
    x = 14,713.78

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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.