Home / 36,478.40-54,736.32-18,962.24

Finding the Fourth Proportional to 36,478.40, 54,736.32 and 18,962.24

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Solution

The fourth proportional to 36,478.40, 54,736.32 and 18,962.24 is: 28,453.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,478.40 : 54,736.32 = 18,962.24 : x
  2. Step 2: Convert to fraction form
    36,478.40/54,736.32 = 18,962.24/x
  3. Step 3: Cross multiply
    36,478.40x = 54,736.32 × 18,962.24
  4. Step 4: Simplify right side
    36,478.40x = 1,037,923,236.56
  5. Step 5: Solve for x
    x = 1,037,923,236.56/36,478.40
  6. Step 6: Final answer
    x = 28,453.09

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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.