Home / 54,559.80-81,839.70-19,500.60

Finding the Fourth Proportional to 54,559.80, 81,839.70 and 19,500.60

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Solution

The fourth proportional to 54,559.80, 81,839.70 and 19,500.60 is: 29,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,559.80 : 81,839.70 = 19,500.60 : x
  2. Step 2: Convert to fraction form
    54,559.80/81,839.70 = 19,500.60/x
  3. Step 3: Cross multiply
    54,559.80x = 81,839.70 × 19,500.60
  4. Step 4: Simplify right side
    54,559.80x = 1,595,923,253.82
  5. Step 5: Solve for x
    x = 1,595,923,253.82/54,559.80
  6. Step 6: Final answer
    x = 29,250.90

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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.