Home / 38,961-53,744.04-23,042.88

Finding the Fourth Proportional to 38,961, 53,744.04 and 23,042.88

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Solution

The fourth proportional to 38,961, 53,744.04 and 23,042.88 is: 31,786.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961 : 53,744.04 = 23,042.88 : x
  2. Step 2: Convert to fraction form
    38,961/53,744.04 = 23,042.88/x
  3. Step 3: Cross multiply
    38,961x = 53,744.04 × 23,042.88
  4. Step 4: Simplify right side
    38,961x = 1,238,417,464.44
  5. Step 5: Solve for x
    x = 1,238,417,464.44/38,961
  6. Step 6: Final answer
    x = 31,786.08

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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.