Home / 33,128.50-49,693.02-12,083.62

Finding the Fourth Proportional to 33,128.50, 49,693.02 and 12,083.62

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Solution

The fourth proportional to 33,128.50, 49,693.02 and 12,083.62 is: 18,125.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,128.50 : 49,693.02 = 12,083.62 : x
  2. Step 2: Convert to fraction form
    33,128.50/49,693.02 = 12,083.62/x
  3. Step 3: Cross multiply
    33,128.50x = 49,693.02 × 12,083.62
  4. Step 4: Simplify right side
    33,128.50x = 600,471,400.79
  5. Step 5: Solve for x
    x = 600,471,400.79/33,128.50
  6. Step 6: Final answer
    x = 18,125.52

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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.