Home / 54,091.50-81,150.21-17,155.50

Finding the Fourth Proportional to 54,091.50, 81,150.21 and 17,155.50

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Solution

The fourth proportional to 54,091.50, 81,150.21 and 17,155.50 is: 25,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,091.50 : 81,150.21 = 17,155.50 : x
  2. Step 2: Convert to fraction form
    54,091.50/81,150.21 = 17,155.50/x
  3. Step 3: Cross multiply
    54,091.50x = 81,150.21 × 17,155.50
  4. Step 4: Simplify right side
    54,091.50x = 1,392,172,427.66
  5. Step 5: Solve for x
    x = 1,392,172,427.66/54,091.50
  6. Step 6: Final answer
    x = 25,737.36

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1.5x scale

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.