Home / 31,755.28-47,634.72-9,571.72

Finding the Fourth Proportional to 31,755.28, 47,634.72 and 9,571.72

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Solution

The fourth proportional to 31,755.28, 47,634.72 and 9,571.72 is: 14,358.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,755.28 : 47,634.72 = 9,571.72 : x
  2. Step 2: Convert to fraction form
    31,755.28/47,634.72 = 9,571.72/x
  3. Step 3: Cross multiply
    31,755.28x = 47,634.72 × 9,571.72
  4. Step 4: Simplify right side
    31,755.28x = 455,946,202.12
  5. Step 5: Solve for x
    x = 455,946,202.12/31,755.28
  6. Step 6: Final answer
    x = 14,358.12

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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.