Home / 45,418.18-68,028.81-21,995.50

Finding the Fourth Proportional to 45,418.18, 68,028.81 and 21,995.50

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Solution

The fourth proportional to 45,418.18, 68,028.81 and 21,995.50 is: 32,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,418.18 : 68,028.81 = 21,995.50 : x
  2. Step 2: Convert to fraction form
    45,418.18/68,028.81 = 21,995.50/x
  3. Step 3: Cross multiply
    45,418.18x = 68,028.81 × 21,995.50
  4. Step 4: Simplify right side
    45,418.18x = 1,496,327,690.36
  5. Step 5: Solve for x
    x = 1,496,327,690.36/45,418.18
  6. Step 6: Final answer
    x = 32,945.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.