Home / 69,509.21-104,226.39-22,111.43

Finding the Fourth Proportional to 69,509.21, 104,226.39 and 22,111.43

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Solution

The fourth proportional to 69,509.21, 104,226.39 and 22,111.43 is: 33,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,509.21 : 104,226.39 = 22,111.43 : x
  2. Step 2: Convert to fraction form
    69,509.21/104,226.39 = 22,111.43/x
  3. Step 3: Cross multiply
    69,509.21x = 104,226.39 × 22,111.43
  4. Step 4: Simplify right side
    69,509.21x = 2,304,594,005.51
  5. Step 5: Solve for x
    x = 2,304,594,005.51/69,509.21
  6. Step 6: Final answer
    x = 33,155.23

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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.