Home / 43,745.78-60,353.38-28,647.05

Finding the Fourth Proportional to 43,745.78, 60,353.38 and 28,647.05

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Solution

The fourth proportional to 43,745.78, 60,353.38 and 28,647.05 is: 39,522.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,745.78 : 60,353.38 = 28,647.05 : x
  2. Step 2: Convert to fraction form
    43,745.78/60,353.38 = 28,647.05/x
  3. Step 3: Cross multiply
    43,745.78x = 60,353.38 × 28,647.05
  4. Step 4: Simplify right side
    43,745.78x = 1,728,946,294.53
  5. Step 5: Solve for x
    x = 1,728,946,294.53/43,745.78
  6. Step 6: Final answer
    x = 39,522.58

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1.5x scale

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.