Home / 43,216.38-64,824.58-13,636.53

Finding the Fourth Proportional to 43,216.38, 64,824.58 and 13,636.53

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Solution

The fourth proportional to 43,216.38, 64,824.58 and 13,636.53 is: 20,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,216.38 : 64,824.58 = 13,636.53 : x
  2. Step 2: Convert to fraction form
    43,216.38/64,824.58 = 13,636.53/x
  3. Step 3: Cross multiply
    43,216.38x = 64,824.58 × 13,636.53
  4. Step 4: Simplify right side
    43,216.38x = 883,982,329.91
  5. Step 5: Solve for x
    x = 883,982,329.91/43,216.38
  6. Step 6: Final answer
    x = 20,454.80

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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.