Home / 35,257.91-48,648.76-20,911.44

Finding the Fourth Proportional to 35,257.91, 48,648.76 and 20,911.44

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Solution

The fourth proportional to 35,257.91, 48,648.76 and 20,911.44 is: 28,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,257.91 : 48,648.76 = 20,911.44 : x
  2. Step 2: Convert to fraction form
    35,257.91/48,648.76 = 20,911.44/x
  3. Step 3: Cross multiply
    35,257.91x = 48,648.76 × 20,911.44
  4. Step 4: Simplify right side
    35,257.91x = 1,017,315,521.26
  5. Step 5: Solve for x
    x = 1,017,315,521.26/35,257.91
  6. Step 6: Final answer
    x = 28,853.54

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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.