Home / 38,576.75-53,233.39-21,578.04

Finding the Fourth Proportional to 38,576.75, 53,233.39 and 21,578.04

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Solution

The fourth proportional to 38,576.75, 53,233.39 and 21,578.04 is: 29,776.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,576.75 : 53,233.39 = 21,578.04 : x
  2. Step 2: Convert to fraction form
    38,576.75/53,233.39 = 21,578.04/x
  3. Step 3: Cross multiply
    38,576.75x = 53,233.39 × 21,578.04
  4. Step 4: Simplify right side
    38,576.75x = 1,148,672,218.76
  5. Step 5: Solve for x
    x = 1,148,672,218.76/38,576.75
  6. Step 6: Final answer
    x = 29,776.28

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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.