Home / 31,998.24-47,997-14,455.80

Finding the Fourth Proportional to 31,998.24, 47,997 and 14,455.80

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Solution

The fourth proportional to 31,998.24, 47,997 and 14,455.80 is: 21,683.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,998.24 : 47,997 = 14,455.80 : x
  2. Step 2: Convert to fraction form
    31,998.24/47,997 = 14,455.80/x
  3. Step 3: Cross multiply
    31,998.24x = 47,997 × 14,455.80
  4. Step 4: Simplify right side
    31,998.24x = 693,835,032.60
  5. Step 5: Solve for x
    x = 693,835,032.60/31,998.24
  6. Step 6: Final answer
    x = 21,683.54

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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.