Home / 38,571.96-53,228.42-21,576.44

Finding the Fourth Proportional to 38,571.96, 53,228.42 and 21,576.44

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Solution

The fourth proportional to 38,571.96, 53,228.42 and 21,576.44 is: 29,774.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,571.96 : 53,228.42 = 21,576.44 : x
  2. Step 2: Convert to fraction form
    38,571.96/53,228.42 = 21,576.44/x
  3. Step 3: Cross multiply
    38,571.96x = 53,228.42 × 21,576.44
  4. Step 4: Simplify right side
    38,571.96x = 1,148,479,810.42
  5. Step 5: Solve for x
    x = 1,148,479,810.42/38,571.96
  6. Step 6: Final answer
    x = 29,774.99

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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.