Home / 31,517.46-47,287.08-13,999.56

Finding the Fourth Proportional to 31,517.46, 47,287.08 and 13,999.56

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Solution

The fourth proportional to 31,517.46, 47,287.08 and 13,999.56 is: 21,004.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,517.46 : 47,287.08 = 13,999.56 : x
  2. Step 2: Convert to fraction form
    31,517.46/47,287.08 = 13,999.56/x
  3. Step 3: Cross multiply
    31,517.46x = 47,287.08 × 13,999.56
  4. Step 4: Simplify right side
    31,517.46x = 661,998,313.68
  5. Step 5: Solve for x
    x = 661,998,313.68/31,517.46
  6. Step 6: Final answer
    x = 21,004.18

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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.