Home / 29,450.67-40,621.20-19,375.89

Finding the Fourth Proportional to 29,450.67, 40,621.20 and 19,375.89

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Solution

The fourth proportional to 29,450.67, 40,621.20 and 19,375.89 is: 26,725.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,450.67 : 40,621.20 = 19,375.89 : x
  2. Step 2: Convert to fraction form
    29,450.67/40,621.20 = 19,375.89/x
  3. Step 3: Cross multiply
    29,450.67x = 40,621.20 × 19,375.89
  4. Step 4: Simplify right side
    29,450.67x = 787,071,902.87
  5. Step 5: Solve for x
    x = 787,071,902.87/29,450.67
  6. Step 6: Final answer
    x = 26,725.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.