Home / 30,129.74-41,575.62-16,699.94

Finding the Fourth Proportional to 30,129.74, 41,575.62 and 16,699.94

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Solution

The fourth proportional to 30,129.74, 41,575.62 and 16,699.94 is: 23,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,129.74 : 41,575.62 = 16,699.94 : x
  2. Step 2: Convert to fraction form
    30,129.74/41,575.62 = 16,699.94/x
  3. Step 3: Cross multiply
    30,129.74x = 41,575.62 × 16,699.94
  4. Step 4: Simplify right side
    30,129.74x = 694,310,359.46
  5. Step 5: Solve for x
    x = 694,310,359.46/30,129.74
  6. Step 6: Final answer
    x = 23,044.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.