Home / 31,736.80-47,601.58-8,365.06

Finding the Fourth Proportional to 31,736.80, 47,601.58 and 8,365.06

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Solution

The fourth proportional to 31,736.80, 47,601.58 and 8,365.06 is: 12,546.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,736.80 : 47,601.58 = 8,365.06 : x
  2. Step 2: Convert to fraction form
    31,736.80/47,601.58 = 8,365.06/x
  3. Step 3: Cross multiply
    31,736.80x = 47,601.58 × 8,365.06
  4. Step 4: Simplify right side
    31,736.80x = 398,190,072.79
  5. Step 5: Solve for x
    x = 398,190,072.79/31,736.80
  6. Step 6: Final answer
    x = 12,546.64

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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.