Home / 30,087.19-41,520.03-16,658.83

Finding the Fourth Proportional to 30,087.19, 41,520.03 and 16,658.83

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Solution

The fourth proportional to 30,087.19, 41,520.03 and 16,658.83 is: 22,989.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,087.19 : 41,520.03 = 16,658.83 : x
  2. Step 2: Convert to fraction form
    30,087.19/41,520.03 = 16,658.83/x
  3. Step 3: Cross multiply
    30,087.19x = 41,520.03 × 16,658.83
  4. Step 4: Simplify right side
    30,087.19x = 691,675,121.36
  5. Step 5: Solve for x
    x = 691,675,121.36/30,087.19
  6. Step 6: Final answer
    x = 22,989.02

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Half scale
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Double scale
Find fourth proportional to 30,088.19, 41,521.41 and 16,659.83
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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.