Home / 54,068.77-81,105.39-18,554.50

Finding the Fourth Proportional to 54,068.77, 81,105.39 and 18,554.50

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Solution

The fourth proportional to 54,068.77, 81,105.39 and 18,554.50 is: 27,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,068.77 : 81,105.39 = 18,554.50 : x
  2. Step 2: Convert to fraction form
    54,068.77/81,105.39 = 18,554.50/x
  3. Step 3: Cross multiply
    54,068.77x = 81,105.39 × 18,554.50
  4. Step 4: Simplify right side
    54,068.77x = 1,504,869,958.76
  5. Step 5: Solve for x
    x = 1,504,869,958.76/54,068.77
  6. Step 6: Final answer
    x = 27,832.52

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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.