Home / 69,612.78-104,419.17-17,021.64

Finding the Fourth Proportional to 69,612.78, 104,419.17 and 17,021.64

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Solution

The fourth proportional to 69,612.78, 104,419.17 and 17,021.64 is: 25,532.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,612.78 : 104,419.17 = 17,021.64 : x
  2. Step 2: Convert to fraction form
    69,612.78/104,419.17 = 17,021.64/x
  3. Step 3: Cross multiply
    69,612.78x = 104,419.17 × 17,021.64
  4. Step 4: Simplify right side
    69,612.78x = 1,777,385,520.84
  5. Step 5: Solve for x
    x = 1,777,385,520.84/69,612.78
  6. Step 6: Final answer
    x = 25,532.46

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1.5x scale

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.