Home / 43,330.90-65,003.23-18,371.06

Finding the Fourth Proportional to 43,330.90, 65,003.23 and 18,371.06

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Solution

The fourth proportional to 43,330.90, 65,003.23 and 18,371.06 is: 27,559.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,330.90 : 65,003.23 = 18,371.06 : x
  2. Step 2: Convert to fraction form
    43,330.90/65,003.23 = 18,371.06/x
  3. Step 3: Cross multiply
    43,330.90x = 65,003.23 × 18,371.06
  4. Step 4: Simplify right side
    43,330.90x = 1,194,178,238.52
  5. Step 5: Solve for x
    x = 1,194,178,238.52/43,330.90
  6. Step 6: Final answer
    x = 27,559.51

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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.