Home / 49,348.20-74,022.30-18,205.80

Finding the Fourth Proportional to 49,348.20, 74,022.30 and 18,205.80

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Solution

The fourth proportional to 49,348.20, 74,022.30 and 18,205.80 is: 27,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,348.20 : 74,022.30 = 18,205.80 : x
  2. Step 2: Convert to fraction form
    49,348.20/74,022.30 = 18,205.80/x
  3. Step 3: Cross multiply
    49,348.20x = 74,022.30 × 18,205.80
  4. Step 4: Simplify right side
    49,348.20x = 1,347,635,189.34
  5. Step 5: Solve for x
    x = 1,347,635,189.34/49,348.20
  6. Step 6: Final answer
    x = 27,308.70

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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.