Home / 39,706.33-54,794.46-21,801.64

Finding the Fourth Proportional to 39,706.33, 54,794.46 and 21,801.64

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Solution

The fourth proportional to 39,706.33, 54,794.46 and 21,801.64 is: 30,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,706.33 : 54,794.46 = 21,801.64 : x
  2. Step 2: Convert to fraction form
    39,706.33/54,794.46 = 21,801.64/x
  3. Step 3: Cross multiply
    39,706.33x = 54,794.46 × 21,801.64
  4. Step 4: Simplify right side
    39,706.33x = 1,194,609,090.91
  5. Step 5: Solve for x
    x = 1,194,609,090.91/39,706.33
  6. Step 6: Final answer
    x = 30,086.11

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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.