Home / 43,331.90-65,004.73-18,372.06

Finding the Fourth Proportional to 43,331.90, 65,004.73 and 18,372.06

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Solution

The fourth proportional to 43,331.90, 65,004.73 and 18,372.06 is: 27,561.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,331.90 : 65,004.73 = 18,372.06 : x
  2. Step 2: Convert to fraction form
    43,331.90/65,004.73 = 18,372.06/x
  3. Step 3: Cross multiply
    43,331.90x = 65,004.73 × 18,372.06
  4. Step 4: Simplify right side
    43,331.90x = 1,194,270,799.84
  5. Step 5: Solve for x
    x = 1,194,270,799.84/43,331.90
  6. Step 6: Final answer
    x = 27,561.01

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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.