Home / 45,629.12-68,446.42-21,941.48

Finding the Fourth Proportional to 45,629.12, 68,446.42 and 21,941.48

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Solution

The fourth proportional to 45,629.12, 68,446.42 and 21,941.48 is: 32,913.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,629.12 : 68,446.42 = 21,941.48 : x
  2. Step 2: Convert to fraction form
    45,629.12/68,446.42 = 21,941.48/x
  3. Step 3: Cross multiply
    45,629.12x = 68,446.42 × 21,941.48
  4. Step 4: Simplify right side
    45,629.12x = 1,501,815,871.76
  5. Step 5: Solve for x
    x = 1,501,815,871.76/45,629.12
  6. Step 6: Final answer
    x = 32,913.54

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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.