Home / 49,633.80-74,385.90-20,027.40

Finding the Fourth Proportional to 49,633.80, 74,385.90 and 20,027.40

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Solution

The fourth proportional to 49,633.80, 74,385.90 and 20,027.40 is: 30,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,633.80 : 74,385.90 = 20,027.40 : x
  2. Step 2: Convert to fraction form
    49,633.80/74,385.90 = 20,027.40/x
  3. Step 3: Cross multiply
    49,633.80x = 74,385.90 × 20,027.40
  4. Step 4: Simplify right side
    49,633.80x = 1,489,756,173.66
  5. Step 5: Solve for x
    x = 1,489,756,173.66/49,633.80
  6. Step 6: Final answer
    x = 30,014.95

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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.