Home / 45,745.72-68,283.52-40,352.94

Finding the Fourth Proportional to 45,745.72, 68,283.52 and 40,352.94

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Solution

The fourth proportional to 45,745.72, 68,283.52 and 40,352.94 is: 60,233.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,745.72 : 68,283.52 = 40,352.94 : x
  2. Step 2: Convert to fraction form
    45,745.72/68,283.52 = 40,352.94/x
  3. Step 3: Cross multiply
    45,745.72x = 68,283.52 × 40,352.94
  4. Step 4: Simplify right side
    45,745.72x = 2,755,440,684.67
  5. Step 5: Solve for x
    x = 2,755,440,684.67/45,745.72
  6. Step 6: Final answer
    x = 60,233.85

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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.