Home / 54,140.63-81,218.57-16,703.73

Finding the Fourth Proportional to 54,140.63, 81,218.57 and 16,703.73

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Solution

The fourth proportional to 54,140.63, 81,218.57 and 16,703.73 is: 25,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,140.63 : 81,218.57 = 16,703.73 : x
  2. Step 2: Convert to fraction form
    54,140.63/81,218.57 = 16,703.73/x
  3. Step 3: Cross multiply
    54,140.63x = 81,218.57 × 16,703.73
  4. Step 4: Simplify right side
    54,140.63x = 1,356,652,980.75
  5. Step 5: Solve for x
    x = 1,356,652,980.75/54,140.63
  6. Step 6: Final answer
    x = 25,057.95

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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.