Home / 45,972.08-68,958.36-18,270.16

Finding the Fourth Proportional to 45,972.08, 68,958.36 and 18,270.16

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Solution

The fourth proportional to 45,972.08, 68,958.36 and 18,270.16 is: 27,405.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,972.08 : 68,958.36 = 18,270.16 : x
  2. Step 2: Convert to fraction form
    45,972.08/68,958.36 = 18,270.16/x
  3. Step 3: Cross multiply
    45,972.08x = 68,958.36 × 18,270.16
  4. Step 4: Simplify right side
    45,972.08x = 1,259,880,270.54
  5. Step 5: Solve for x
    x = 1,259,880,270.54/45,972.08
  6. Step 6: Final answer
    x = 27,405.34

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1.5x scale

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.