Home / 38,240.72-52,763.62-21,472.64

Finding the Fourth Proportional to 38,240.72, 52,763.62 and 21,472.64

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Solution

The fourth proportional to 38,240.72, 52,763.62 and 21,472.64 is: 29,627.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,240.72 : 52,763.62 = 21,472.64 : x
  2. Step 2: Convert to fraction form
    38,240.72/52,763.62 = 21,472.64/x
  3. Step 3: Cross multiply
    38,240.72x = 52,763.62 × 21,472.64
  4. Step 4: Simplify right side
    38,240.72x = 1,132,974,217.36
  5. Step 5: Solve for x
    x = 1,132,974,217.36/38,240.72
  6. Step 6: Final answer
    x = 29,627.43

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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.