Home / 30,566.54-45,849.82-20,175.86

Finding the Fourth Proportional to 30,566.54, 45,849.82 and 20,175.86

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Solution

The fourth proportional to 30,566.54, 45,849.82 and 20,175.86 is: 30,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,566.54 : 45,849.82 = 20,175.86 : x
  2. Step 2: Convert to fraction form
    30,566.54/45,849.82 = 20,175.86/x
  3. Step 3: Cross multiply
    30,566.54x = 45,849.82 × 20,175.86
  4. Step 4: Simplify right side
    30,566.54x = 925,059,549.35
  5. Step 5: Solve for x
    x = 925,059,549.35/30,566.54
  6. Step 6: Final answer
    x = 30,263.80

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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.