Home / 34,201.62-47,199.04-21,455.34

Finding the Fourth Proportional to 34,201.62, 47,199.04 and 21,455.34

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Solution

The fourth proportional to 34,201.62, 47,199.04 and 21,455.34 is: 29,608.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,201.62 : 47,199.04 = 21,455.34 : x
  2. Step 2: Convert to fraction form
    34,201.62/47,199.04 = 21,455.34/x
  3. Step 3: Cross multiply
    34,201.62x = 47,199.04 × 21,455.34
  4. Step 4: Simplify right side
    34,201.62x = 1,012,671,450.87
  5. Step 5: Solve for x
    x = 1,012,671,450.87/34,201.62
  6. Step 6: Final answer
    x = 29,608.87

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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.