Home / 35,745.37-49,335-20,635.94

Finding the Fourth Proportional to 35,745.37, 49,335 and 20,635.94

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Solution

The fourth proportional to 35,745.37, 49,335 and 20,635.94 is: 28,481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,745.37 : 49,335 = 20,635.94 : x
  2. Step 2: Convert to fraction form
    35,745.37/49,335 = 20,635.94/x
  3. Step 3: Cross multiply
    35,745.37x = 49,335 × 20,635.94
  4. Step 4: Simplify right side
    35,745.37x = 1,018,074,099.90
  5. Step 5: Solve for x
    x = 1,018,074,099.90/35,745.37
  6. Step 6: Final answer
    x = 28,481.29

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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.