Home / 54,193.74-81,316.53-19,149.90

Finding the Fourth Proportional to 54,193.74, 81,316.53 and 19,149.90

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Solution

The fourth proportional to 54,193.74, 81,316.53 and 19,149.90 is: 28,734.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,193.74 : 81,316.53 = 19,149.90 : x
  2. Step 2: Convert to fraction form
    54,193.74/81,316.53 = 19,149.90/x
  3. Step 3: Cross multiply
    54,193.74x = 81,316.53 × 19,149.90
  4. Step 4: Simplify right side
    54,193.74x = 1,557,203,417.85
  5. Step 5: Solve for x
    x = 1,557,203,417.85/54,193.74
  6. Step 6: Final answer
    x = 28,734.01

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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.