Home / 47,821.84-66,010.60-28,958.96

Finding the Fourth Proportional to 47,821.84, 66,010.60 and 28,958.96

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Solution

The fourth proportional to 47,821.84, 66,010.60 and 28,958.96 is: 39,973.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,821.84 : 66,010.60 = 28,958.96 : x
  2. Step 2: Convert to fraction form
    47,821.84/66,010.60 = 28,958.96/x
  3. Step 3: Cross multiply
    47,821.84x = 66,010.60 × 28,958.96
  4. Step 4: Simplify right side
    47,821.84x = 1,911,598,324.98
  5. Step 5: Solve for x
    x = 1,911,598,324.98/47,821.84
  6. Step 6: Final answer
    x = 39,973.33

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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.