Home / 39,274.06-54,198.44-21,369.19

Finding the Fourth Proportional to 39,274.06, 54,198.44 and 21,369.19

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Solution

The fourth proportional to 39,274.06, 54,198.44 and 21,369.19 is: 29,489.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,274.06 : 54,198.44 = 21,369.19 : x
  2. Step 2: Convert to fraction form
    39,274.06/54,198.44 = 21,369.19/x
  3. Step 3: Cross multiply
    39,274.06x = 54,198.44 × 21,369.19
  4. Step 4: Simplify right side
    39,274.06x = 1,158,176,762.06
  5. Step 5: Solve for x
    x = 1,158,176,762.06/39,274.06
  6. Step 6: Final answer
    x = 29,489.61

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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.