Home / 45,664.72-68,485.20-19,355.92

Finding the Fourth Proportional to 45,664.72, 68,485.20 and 19,355.92

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Solution

The fourth proportional to 45,664.72, 68,485.20 and 19,355.92 is: 29,028.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,664.72 : 68,485.20 = 19,355.92 : x
  2. Step 2: Convert to fraction form
    45,664.72/68,485.20 = 19,355.92/x
  3. Step 3: Cross multiply
    45,664.72x = 68,485.20 × 19,355.92
  4. Step 4: Simplify right side
    45,664.72x = 1,325,594,052.38
  5. Step 5: Solve for x
    x = 1,325,594,052.38/45,664.72
  6. Step 6: Final answer
    x = 29,028.84

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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.