Home / 31,485.45-47,234.40-8,996.33

Finding the Fourth Proportional to 31,485.45, 47,234.40 and 8,996.33

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Solution

The fourth proportional to 31,485.45, 47,234.40 and 8,996.33 is: 13,496.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,485.45 : 47,234.40 = 8,996.33 : x
  2. Step 2: Convert to fraction form
    31,485.45/47,234.40 = 8,996.33/x
  3. Step 3: Cross multiply
    31,485.45x = 47,234.40 × 8,996.33
  4. Step 4: Simplify right side
    31,485.45x = 424,936,258.58
  5. Step 5: Solve for x
    x = 424,936,258.58/31,485.45
  6. Step 6: Final answer
    x = 13,496.27

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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.