Home / 54,069.77-81,106.89-18,555.50

Finding the Fourth Proportional to 54,069.77, 81,106.89 and 18,555.50

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Solution

The fourth proportional to 54,069.77, 81,106.89 and 18,555.50 is: 27,834.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,069.77 : 81,106.89 = 18,555.50 : x
  2. Step 2: Convert to fraction form
    54,069.77/81,106.89 = 18,555.50/x
  3. Step 3: Cross multiply
    54,069.77x = 81,106.89 × 18,555.50
  4. Step 4: Simplify right side
    54,069.77x = 1,504,978,897.40
  5. Step 5: Solve for x
    x = 1,504,978,897.40/54,069.77
  6. Step 6: Final answer
    x = 27,834.02

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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.