Home / 39,351.78-54,304.74-21,446.94

Finding the Fourth Proportional to 39,351.78, 54,304.74 and 21,446.94

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Solution

The fourth proportional to 39,351.78, 54,304.74 and 21,446.94 is: 29,596.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,351.78 : 54,304.74 = 21,446.94 : x
  2. Step 2: Convert to fraction form
    39,351.78/54,304.74 = 21,446.94/x
  3. Step 3: Cross multiply
    39,351.78x = 54,304.74 × 21,446.94
  4. Step 4: Simplify right side
    39,351.78x = 1,164,670,500.50
  5. Step 5: Solve for x
    x = 1,164,670,500.50/39,351.78
  6. Step 6: Final answer
    x = 29,596.39

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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.