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Finding the Fourth Proportional to 45,351.52, 67,684.31 and 44,170.54

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Solution

The fourth proportional to 45,351.52, 67,684.31 and 44,170.54 is: 65,921.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,351.52 : 67,684.31 = 44,170.54 : x
  2. Step 2: Convert to fraction form
    45,351.52/67,684.31 = 44,170.54/x
  3. Step 3: Cross multiply
    45,351.52x = 67,684.31 × 44,170.54
  4. Step 4: Simplify right side
    45,351.52x = 2,989,652,522.23
  5. Step 5: Solve for x
    x = 2,989,652,522.23/45,351.52
  6. Step 6: Final answer
    x = 65,921.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.