Home / 38,450.96-53,062.28-21,683.96

Finding the Fourth Proportional to 38,450.96, 53,062.28 and 21,683.96

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Solution

The fourth proportional to 38,450.96, 53,062.28 and 21,683.96 is: 29,923.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,450.96 : 53,062.28 = 21,683.96 : x
  2. Step 2: Convert to fraction form
    38,450.96/53,062.28 = 21,683.96/x
  3. Step 3: Cross multiply
    38,450.96x = 53,062.28 × 21,683.96
  4. Step 4: Simplify right side
    38,450.96x = 1,150,600,357.03
  5. Step 5: Solve for x
    x = 1,150,600,357.03/38,450.96
  6. Step 6: Final answer
    x = 29,923.84

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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.