Home / 29,436.75-40,623.32-16,861.50

Finding the Fourth Proportional to 29,436.75, 40,623.32 and 16,861.50

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Solution

The fourth proportional to 29,436.75, 40,623.32 and 16,861.50 is: 23,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,436.75 : 40,623.32 = 16,861.50 : x
  2. Step 2: Convert to fraction form
    29,436.75/40,623.32 = 16,861.50/x
  3. Step 3: Cross multiply
    29,436.75x = 40,623.32 × 16,861.50
  4. Step 4: Simplify right side
    29,436.75x = 684,970,152.33
  5. Step 5: Solve for x
    x = 684,970,152.33/29,436.75
  6. Step 6: Final answer
    x = 23,269.22

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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.