Home / 47,178-70,795.22-17,616.60

Finding the Fourth Proportional to 47,178, 70,795.22 and 17,616.60

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Solution

The fourth proportional to 47,178, 70,795.22 and 17,616.60 is: 26,435.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,178 : 70,795.22 = 17,616.60 : x
  2. Step 2: Convert to fraction form
    47,178/70,795.22 = 17,616.60/x
  3. Step 3: Cross multiply
    47,178x = 70,795.22 × 17,616.60
  4. Step 4: Simplify right side
    47,178x = 1,247,170,984.57
  5. Step 5: Solve for x
    x = 1,247,170,984.57/47,178
  6. Step 6: Final answer
    x = 26,435.44

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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.