Home / 43,371.24-65,059.98-21,203.08

Finding the Fourth Proportional to 43,371.24, 65,059.98 and 21,203.08

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Solution

The fourth proportional to 43,371.24, 65,059.98 and 21,203.08 is: 31,806.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,371.24 : 65,059.98 = 21,203.08 : x
  2. Step 2: Convert to fraction form
    43,371.24/65,059.98 = 21,203.08/x
  3. Step 3: Cross multiply
    43,371.24x = 65,059.98 × 21,203.08
  4. Step 4: Simplify right side
    43,371.24x = 1,379,471,960.74
  5. Step 5: Solve for x
    x = 1,379,471,960.74/43,371.24
  6. Step 6: Final answer
    x = 31,806.15

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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.