Home / 39,506.28-54,518.72-21,601.37

Finding the Fourth Proportional to 39,506.28, 54,518.72 and 21,601.37

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Solution

The fourth proportional to 39,506.28, 54,518.72 and 21,601.37 is: 29,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,506.28 : 54,518.72 = 21,601.37 : x
  2. Step 2: Convert to fraction form
    39,506.28/54,518.72 = 21,601.37/x
  3. Step 3: Cross multiply
    39,506.28x = 54,518.72 × 21,601.37
  4. Step 4: Simplify right side
    39,506.28x = 1,177,678,662.05
  5. Step 5: Solve for x
    x = 1,177,678,662.05/39,506.28
  6. Step 6: Final answer
    x = 29,809.91

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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.