Home / 43,324.42-64,973.40-18,364

Finding the Fourth Proportional to 43,324.42, 64,973.40 and 18,364

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Solution

The fourth proportional to 43,324.42, 64,973.40 and 18,364 is: 27,540.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,324.42 : 64,973.40 = 18,364 : x
  2. Step 2: Convert to fraction form
    43,324.42/64,973.40 = 18,364/x
  3. Step 3: Cross multiply
    43,324.42x = 64,973.40 × 18,364
  4. Step 4: Simplify right side
    43,324.42x = 1,193,171,517.60
  5. Step 5: Solve for x
    x = 1,193,171,517.60/43,324.42
  6. Step 6: Final answer
    x = 27,540.39

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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.