Home / 39,626.46-54,684.36-21,722.22

Finding the Fourth Proportional to 39,626.46, 54,684.36 and 21,722.22

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Solution

The fourth proportional to 39,626.46, 54,684.36 and 21,722.22 is: 29,976.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,626.46 : 54,684.36 = 21,722.22 : x
  2. Step 2: Convert to fraction form
    39,626.46/54,684.36 = 21,722.22/x
  3. Step 3: Cross multiply
    39,626.46x = 54,684.36 × 21,722.22
  4. Step 4: Simplify right side
    39,626.46x = 1,187,865,698.48
  5. Step 5: Solve for x
    x = 1,187,865,698.48/39,626.46
  6. Step 6: Final answer
    x = 29,976.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.