Home / 30,306.35-41,821.30-17,558.91

Finding the Fourth Proportional to 30,306.35, 41,821.30 and 17,558.91

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Solution

The fourth proportional to 30,306.35, 41,821.30 and 17,558.91 is: 24,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,306.35 : 41,821.30 = 17,558.91 : x
  2. Step 2: Convert to fraction form
    30,306.35/41,821.30 = 17,558.91/x
  3. Step 3: Cross multiply
    30,306.35x = 41,821.30 × 17,558.91
  4. Step 4: Simplify right side
    30,306.35x = 734,336,442.78
  5. Step 5: Solve for x
    x = 734,336,442.78/30,306.35
  6. Step 6: Final answer
    x = 24,230.45

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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.