Home / 43,664.81-65,442.44-18,675.52

Finding the Fourth Proportional to 43,664.81, 65,442.44 and 18,675.52

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Solution

The fourth proportional to 43,664.81, 65,442.44 and 18,675.52 is: 27,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,664.81 : 65,442.44 = 18,675.52 : x
  2. Step 2: Convert to fraction form
    43,664.81/65,442.44 = 18,675.52/x
  3. Step 3: Cross multiply
    43,664.81x = 65,442.44 × 18,675.52
  4. Step 4: Simplify right side
    43,664.81x = 1,222,171,480.15
  5. Step 5: Solve for x
    x = 1,222,171,480.15/43,664.81
  6. Step 6: Final answer
    x = 27,989.85

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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.