Home / 38,571.79-53,233.99-21,576.98

Finding the Fourth Proportional to 38,571.79, 53,233.99 and 21,576.98

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Solution

The fourth proportional to 38,571.79, 53,233.99 and 21,576.98 is: 29,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,571.79 : 53,233.99 = 21,576.98 : x
  2. Step 2: Convert to fraction form
    38,571.79/53,233.99 = 21,576.98/x
  3. Step 3: Cross multiply
    38,571.79x = 53,233.99 × 21,576.98
  4. Step 4: Simplify right side
    38,571.79x = 1,148,628,638.62
  5. Step 5: Solve for x
    x = 1,148,628,638.62/38,571.79
  6. Step 6: Final answer
    x = 29,778.98

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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.