Home / 38,796.33-53,536.90-21,801.25

Finding the Fourth Proportional to 38,796.33, 53,536.90 and 21,801.25

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Solution

The fourth proportional to 38,796.33, 53,536.90 and 21,801.25 is: 30,084.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,796.33 : 53,536.90 = 21,801.25 : x
  2. Step 2: Convert to fraction form
    38,796.33/53,536.90 = 21,801.25/x
  3. Step 3: Cross multiply
    38,796.33x = 53,536.90 × 21,801.25
  4. Step 4: Simplify right side
    38,796.33x = 1,167,170,964.43
  5. Step 5: Solve for x
    x = 1,167,170,964.43/38,796.33
  6. Step 6: Final answer
    x = 30,084.57

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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.