Home / 32,128.74-48,122.93-13,351.85

Finding the Fourth Proportional to 32,128.74, 48,122.93 and 13,351.85

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Solution

The fourth proportional to 32,128.74, 48,122.93 and 13,351.85 is: 19,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,128.74 : 48,122.93 = 13,351.85 : x
  2. Step 2: Convert to fraction form
    32,128.74/48,122.93 = 13,351.85/x
  3. Step 3: Cross multiply
    32,128.74x = 48,122.93 × 13,351.85
  4. Step 4: Simplify right side
    32,128.74x = 642,530,039.62
  5. Step 5: Solve for x
    x = 642,530,039.62/32,128.74
  6. Step 6: Final answer
    x = 19,998.61

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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.