Home / 49,021.80-73,551.90-19,434.60

Finding the Fourth Proportional to 49,021.80, 73,551.90 and 19,434.60

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Solution

The fourth proportional to 49,021.80, 73,551.90 and 19,434.60 is: 29,159.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,021.80 : 73,551.90 = 19,434.60 : x
  2. Step 2: Convert to fraction form
    49,021.80/73,551.90 = 19,434.60/x
  3. Step 3: Cross multiply
    49,021.80x = 73,551.90 × 19,434.60
  4. Step 4: Simplify right side
    49,021.80x = 1,429,451,755.74
  5. Step 5: Solve for x
    x = 1,429,451,755.74/49,021.80
  6. Step 6: Final answer
    x = 29,159.51

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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.