Home / 31,558.43-47,325.83-13,544.38

Finding the Fourth Proportional to 31,558.43, 47,325.83 and 13,544.38

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Solution

The fourth proportional to 31,558.43, 47,325.83 and 13,544.38 is: 20,311.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,558.43 : 47,325.83 = 13,544.38 : x
  2. Step 2: Convert to fraction form
    31,558.43/47,325.83 = 13,544.38/x
  3. Step 3: Cross multiply
    31,558.43x = 47,325.83 × 13,544.38
  4. Step 4: Simplify right side
    31,558.43x = 640,999,016.77
  5. Step 5: Solve for x
    x = 640,999,016.77/31,558.43
  6. Step 6: Final answer
    x = 20,311.50

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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.