Home / 43,224.40-64,836.60-13,644.52

Finding the Fourth Proportional to 43,224.40, 64,836.60 and 13,644.52

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Solution

The fourth proportional to 43,224.40, 64,836.60 and 13,644.52 is: 20,466.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,224.40 : 64,836.60 = 13,644.52 : x
  2. Step 2: Convert to fraction form
    43,224.40/64,836.60 = 13,644.52/x
  3. Step 3: Cross multiply
    43,224.40x = 64,836.60 × 13,644.52
  4. Step 4: Simplify right side
    43,224.40x = 884,664,285.43
  5. Step 5: Solve for x
    x = 884,664,285.43/43,224.40
  6. Step 6: Final answer
    x = 20,466.78

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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.