Home / 34,979.72-48,272.22-19,872.54

Finding the Fourth Proportional to 34,979.72, 48,272.22 and 19,872.54

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Solution

The fourth proportional to 34,979.72, 48,272.22 and 19,872.54 is: 27,424.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,979.72 : 48,272.22 = 19,872.54 : x
  2. Step 2: Convert to fraction form
    34,979.72/48,272.22 = 19,872.54/x
  3. Step 3: Cross multiply
    34,979.72x = 48,272.22 × 19,872.54
  4. Step 4: Simplify right side
    34,979.72x = 959,291,622.84
  5. Step 5: Solve for x
    x = 959,291,622.84/34,979.72
  6. Step 6: Final answer
    x = 27,424.23

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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.