Home / 38,956.08-53,759.41-21,051.09

Finding the Fourth Proportional to 38,956.08, 53,759.41 and 21,051.09

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Solution

The fourth proportional to 38,956.08, 53,759.41 and 21,051.09 is: 29,050.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,956.08 : 53,759.41 = 21,051.09 : x
  2. Step 2: Convert to fraction form
    38,956.08/53,759.41 = 21,051.09/x
  3. Step 3: Cross multiply
    38,956.08x = 53,759.41 × 21,051.09
  4. Step 4: Simplify right side
    38,956.08x = 1,131,694,178.26
  5. Step 5: Solve for x
    x = 1,131,694,178.26/38,956.08
  6. Step 6: Final answer
    x = 29,050.51

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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.