Home / 54,408.51-81,563.58-19,340.01

Finding the Fourth Proportional to 54,408.51, 81,563.58 and 19,340.01

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Solution

The fourth proportional to 54,408.51, 81,563.58 and 19,340.01 is: 28,992.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,408.51 : 81,563.58 = 19,340.01 : x
  2. Step 2: Convert to fraction form
    54,408.51/81,563.58 = 19,340.01/x
  3. Step 3: Cross multiply
    54,408.51x = 81,563.58 × 19,340.01
  4. Step 4: Simplify right side
    54,408.51x = 1,577,440,452.84
  5. Step 5: Solve for x
    x = 1,577,440,452.84/54,408.51
  6. Step 6: Final answer
    x = 28,992.53

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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.