Home / 34,900.32-48,163.70-19,999.20

Finding the Fourth Proportional to 34,900.32, 48,163.70 and 19,999.20

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Solution

The fourth proportional to 34,900.32, 48,163.70 and 19,999.20 is: 27,599.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,900.32 : 48,163.70 = 19,999.20 : x
  2. Step 2: Convert to fraction form
    34,900.32/48,163.70 = 19,999.20/x
  3. Step 3: Cross multiply
    34,900.32x = 48,163.70 × 19,999.20
  4. Step 4: Simplify right side
    34,900.32x = 963,235,469.04
  5. Step 5: Solve for x
    x = 963,235,469.04/34,900.32
  6. Step 6: Final answer
    x = 27,599.62

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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.