Home / 43,219.76-64,837.48-21,033.14

Finding the Fourth Proportional to 43,219.76, 64,837.48 and 21,033.14

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Solution

The fourth proportional to 43,219.76, 64,837.48 and 21,033.14 is: 31,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,219.76 : 64,837.48 = 21,033.14 : x
  2. Step 2: Convert to fraction form
    43,219.76/64,837.48 = 21,033.14/x
  3. Step 3: Cross multiply
    43,219.76x = 64,837.48 × 21,033.14
  4. Step 4: Simplify right side
    43,219.76x = 1,363,735,903.60
  5. Step 5: Solve for x
    x = 1,363,735,903.60/43,219.76
  6. Step 6: Final answer
    x = 31,553.53

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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.