Home / 54,385.02-81,555.39-16,932.51

Finding the Fourth Proportional to 54,385.02, 81,555.39 and 16,932.51

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Solution

The fourth proportional to 54,385.02, 81,555.39 and 16,932.51 is: 25,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,385.02 : 81,555.39 = 16,932.51 : x
  2. Step 2: Convert to fraction form
    54,385.02/81,555.39 = 16,932.51/x
  3. Step 3: Cross multiply
    54,385.02x = 81,555.39 × 16,932.51
  4. Step 4: Simplify right side
    54,385.02x = 1,380,937,456.73
  5. Step 5: Solve for x
    x = 1,380,937,456.73/54,385.02
  6. Step 6: Final answer
    x = 25,391.87

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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.