Home / 54,608.40-81,912.63-15,165.51

Finding the Fourth Proportional to 54,608.40, 81,912.63 and 15,165.51

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Solution

The fourth proportional to 54,608.40, 81,912.63 and 15,165.51 is: 22,748.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,608.40 : 81,912.63 = 15,165.51 : x
  2. Step 2: Convert to fraction form
    54,608.40/81,912.63 = 15,165.51/x
  3. Step 3: Cross multiply
    54,608.40x = 81,912.63 × 15,165.51
  4. Step 4: Simplify right side
    54,608.40x = 1,242,246,809.39
  5. Step 5: Solve for x
    x = 1,242,246,809.39/54,608.40
  6. Step 6: Final answer
    x = 22,748.27

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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.