Home / 36,912.96-55,368-10,617.60

Finding the Fourth Proportional to 36,912.96, 55,368 and 10,617.60

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Solution

The fourth proportional to 36,912.96, 55,368 and 10,617.60 is: 15,925.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,912.96 : 55,368 = 10,617.60 : x
  2. Step 2: Convert to fraction form
    36,912.96/55,368 = 10,617.60/x
  3. Step 3: Cross multiply
    36,912.96x = 55,368 × 10,617.60
  4. Step 4: Simplify right side
    36,912.96x = 587,875,276.80
  5. Step 5: Solve for x
    x = 587,875,276.80/36,912.96
  6. Step 6: Final answer
    x = 15,925.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.