Home / 42,216.22-63,324.31-15,914.81

Finding the Fourth Proportional to 42,216.22, 63,324.31 and 15,914.81

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Solution

The fourth proportional to 42,216.22, 63,324.31 and 15,914.81 is: 23,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,216.22 : 63,324.31 = 15,914.81 : x
  2. Step 2: Convert to fraction form
    42,216.22/63,324.31 = 15,914.81/x
  3. Step 3: Cross multiply
    42,216.22x = 63,324.31 × 15,914.81
  4. Step 4: Simplify right side
    42,216.22x = 1,007,794,362.03
  5. Step 5: Solve for x
    x = 1,007,794,362.03/42,216.22
  6. Step 6: Final answer
    x = 23,872.21

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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.