Home / 54,138.02-81,186.22-18,592.73

Finding the Fourth Proportional to 54,138.02, 81,186.22 and 18,592.73

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Solution

The fourth proportional to 54,138.02, 81,186.22 and 18,592.73 is: 27,881.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,138.02 : 81,186.22 = 18,592.73 : x
  2. Step 2: Convert to fraction form
    54,138.02/81,186.22 = 18,592.73/x
  3. Step 3: Cross multiply
    54,138.02x = 81,186.22 × 18,592.73
  4. Step 4: Simplify right side
    54,138.02x = 1,509,473,468.18
  5. Step 5: Solve for x
    x = 1,509,473,468.18/54,138.02
  6. Step 6: Final answer
    x = 27,881.95

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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.