Home / 54,137.02-81,184.72-18,591.73

Finding the Fourth Proportional to 54,137.02, 81,184.72 and 18,591.73

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Solution

The fourth proportional to 54,137.02, 81,184.72 and 18,591.73 is: 27,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,137.02 : 81,184.72 = 18,591.73 : x
  2. Step 2: Convert to fraction form
    54,137.02/81,184.72 = 18,591.73/x
  3. Step 3: Cross multiply
    54,137.02x = 81,184.72 × 18,591.73
  4. Step 4: Simplify right side
    54,137.02x = 1,509,364,394.37
  5. Step 5: Solve for x
    x = 1,509,364,394.37/54,137.02
  6. Step 6: Final answer
    x = 27,880.45

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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.