Home / 49,910.04-74,844.27-20,307.78

Finding the Fourth Proportional to 49,910.04, 74,844.27 and 20,307.78

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Solution

The fourth proportional to 49,910.04, 74,844.27 and 20,307.78 is: 30,453.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,910.04 : 74,844.27 = 20,307.78 : x
  2. Step 2: Convert to fraction form
    49,910.04/74,844.27 = 20,307.78/x
  3. Step 3: Cross multiply
    49,910.04x = 74,844.27 × 20,307.78
  4. Step 4: Simplify right side
    49,910.04x = 1,519,920,969.42
  5. Step 5: Solve for x
    x = 1,519,920,969.42/49,910.04
  6. Step 6: Final answer
    x = 30,453.21

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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.