Home / 45,144.32-67,722.96-13,982.24

Finding the Fourth Proportional to 45,144.32, 67,722.96 and 13,982.24

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Solution

The fourth proportional to 45,144.32, 67,722.96 and 13,982.24 is: 20,975.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,144.32 : 67,722.96 = 13,982.24 : x
  2. Step 2: Convert to fraction form
    45,144.32/67,722.96 = 13,982.24/x
  3. Step 3: Cross multiply
    45,144.32x = 67,722.96 × 13,982.24
  4. Step 4: Simplify right side
    45,144.32x = 946,918,680.23
  5. Step 5: Solve for x
    x = 946,918,680.23/45,144.32
  6. Step 6: Final answer
    x = 20,975.37

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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.