Home / 38,956.10-53,759.56-21,051.24

Finding the Fourth Proportional to 38,956.10, 53,759.56 and 21,051.24

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Solution

The fourth proportional to 38,956.10, 53,759.56 and 21,051.24 is: 29,050.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,956.10 : 53,759.56 = 21,051.24 : x
  2. Step 2: Convert to fraction form
    38,956.10/53,759.56 = 21,051.24/x
  3. Step 3: Cross multiply
    38,956.10x = 53,759.56 × 21,051.24
  4. Step 4: Simplify right side
    38,956.10x = 1,131,705,399.85
  5. Step 5: Solve for x
    x = 1,131,705,399.85/38,956.10
  6. Step 6: Final answer
    x = 29,050.79

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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.