Home / 43,544.70-65,329.20-21,358.80

Finding the Fourth Proportional to 43,544.70, 65,329.20 and 21,358.80

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Solution

The fourth proportional to 43,544.70, 65,329.20 and 21,358.80 is: 32,044.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,544.70 : 65,329.20 = 21,358.80 : x
  2. Step 2: Convert to fraction form
    43,544.70/65,329.20 = 21,358.80/x
  3. Step 3: Cross multiply
    43,544.70x = 65,329.20 × 21,358.80
  4. Step 4: Simplify right side
    43,544.70x = 1,395,353,316.96
  5. Step 5: Solve for x
    x = 1,395,353,316.96/43,544.70
  6. Step 6: Final answer
    x = 32,044.16

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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.