Home / 69,847.22-104,772.46-19,931.78

Finding the Fourth Proportional to 69,847.22, 104,772.46 and 19,931.78

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Solution

The fourth proportional to 69,847.22, 104,772.46 and 19,931.78 is: 29,898.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,847.22 : 104,772.46 = 19,931.78 : x
  2. Step 2: Convert to fraction form
    69,847.22/104,772.46 = 19,931.78/x
  3. Step 3: Cross multiply
    69,847.22x = 104,772.46 × 19,931.78
  4. Step 4: Simplify right side
    69,847.22x = 2,088,301,622.78
  5. Step 5: Solve for x
    x = 2,088,301,622.78/69,847.22
  6. Step 6: Final answer
    x = 29,898.14

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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.