Home / 54,187.54-81,289.07-16,750.87

Finding the Fourth Proportional to 54,187.54, 81,289.07 and 16,750.87

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Solution

The fourth proportional to 54,187.54, 81,289.07 and 16,750.87 is: 25,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.54 : 81,289.07 = 16,750.87 : x
  2. Step 2: Convert to fraction form
    54,187.54/81,289.07 = 16,750.87/x
  3. Step 3: Cross multiply
    54,187.54x = 81,289.07 × 16,750.87
  4. Step 4: Simplify right side
    54,187.54x = 1,361,662,643.99
  5. Step 5: Solve for x
    x = 1,361,662,643.99/54,187.54
  6. Step 6: Final answer
    x = 25,128.70

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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.