Home / 29,121.40-40,187.19-16,376.73

Finding the Fourth Proportional to 29,121.40, 40,187.19 and 16,376.73

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Solution

The fourth proportional to 29,121.40, 40,187.19 and 16,376.73 is: 22,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121.40 : 40,187.19 = 16,376.73 : x
  2. Step 2: Convert to fraction form
    29,121.40/40,187.19 = 16,376.73/x
  3. Step 3: Cross multiply
    29,121.40x = 40,187.19 × 16,376.73
  4. Step 4: Simplify right side
    29,121.40x = 658,134,804.73
  5. Step 5: Solve for x
    x = 658,134,804.73/29,121.40
  6. Step 6: Final answer
    x = 22,599.70

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Half scale
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Double scale
Find fourth proportional to 29,122.40, 40,188.57 and 16,377.73
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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.