Home / 45,205.53-67,816.79-18,189.91

Finding the Fourth Proportional to 45,205.53, 67,816.79 and 18,189.91

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Solution

The fourth proportional to 45,205.53, 67,816.79 and 18,189.91 is: 27,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,205.53 : 67,816.79 = 18,189.91 : x
  2. Step 2: Convert to fraction form
    45,205.53/67,816.79 = 18,189.91/x
  3. Step 3: Cross multiply
    45,205.53x = 67,816.79 × 18,189.91
  4. Step 4: Simplify right side
    45,205.53x = 1,233,581,306.59
  5. Step 5: Solve for x
    x = 1,233,581,306.59/45,205.53
  6. Step 6: Final answer
    x = 27,288.28

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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.