Home / 38,956.01-53,759.30-21,050.96

Finding the Fourth Proportional to 38,956.01, 53,759.30 and 21,050.96

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Solution

The fourth proportional to 38,956.01, 53,759.30 and 21,050.96 is: 29,050.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,956.01 : 53,759.30 = 21,050.96 : x
  2. Step 2: Convert to fraction form
    38,956.01/53,759.30 = 21,050.96/x
  3. Step 3: Cross multiply
    38,956.01x = 53,759.30 × 21,050.96
  4. Step 4: Simplify right side
    38,956.01x = 1,131,684,499.88
  5. Step 5: Solve for x
    x = 1,131,684,499.88/38,956.01
  6. Step 6: Final answer
    x = 29,050.32

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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.