Home / 43,331.40-65,003.98-18,371.56

Finding the Fourth Proportional to 43,331.40, 65,003.98 and 18,371.56

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Solution

The fourth proportional to 43,331.40, 65,003.98 and 18,371.56 is: 27,560.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,331.40 : 65,003.98 = 18,371.56 : x
  2. Step 2: Convert to fraction form
    43,331.40/65,003.98 = 18,371.56/x
  3. Step 3: Cross multiply
    43,331.40x = 65,003.98 × 18,371.56
  4. Step 4: Simplify right side
    43,331.40x = 1,194,224,518.81
  5. Step 5: Solve for x
    x = 1,194,224,518.81/43,331.40
  6. Step 6: Final answer
    x = 27,560.26

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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.