Home / 31,873.32-47,791.44-12,153.24

Finding the Fourth Proportional to 31,873.32, 47,791.44 and 12,153.24

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Solution

The fourth proportional to 31,873.32, 47,791.44 and 12,153.24 is: 18,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,873.32 : 47,791.44 = 12,153.24 : x
  2. Step 2: Convert to fraction form
    31,873.32/47,791.44 = 12,153.24/x
  3. Step 3: Cross multiply
    31,873.32x = 47,791.44 × 12,153.24
  4. Step 4: Simplify right side
    31,873.32x = 580,820,840.27
  5. Step 5: Solve for x
    x = 580,820,840.27/31,873.32
  6. Step 6: Final answer
    x = 18,222.79

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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.