Home / 69,343.21-104,015.50-21,957.42

Finding the Fourth Proportional to 69,343.21, 104,015.50 and 21,957.42

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Solution

The fourth proportional to 69,343.21, 104,015.50 and 21,957.42 is: 32,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,343.21 : 104,015.50 = 21,957.42 : x
  2. Step 2: Convert to fraction form
    69,343.21/104,015.50 = 21,957.42/x
  3. Step 3: Cross multiply
    69,343.21x = 104,015.50 × 21,957.42
  4. Step 4: Simplify right side
    69,343.21x = 2,283,912,020.01
  5. Step 5: Solve for x
    x = 2,283,912,020.01/69,343.21
  6. Step 6: Final answer
    x = 32,936.35

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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.