Home / 36,448.54-54,672.81-20,855.32

Finding the Fourth Proportional to 36,448.54, 54,672.81 and 20,855.32

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Solution

The fourth proportional to 36,448.54, 54,672.81 and 20,855.32 is: 31,282.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,448.54 : 54,672.81 = 20,855.32 : x
  2. Step 2: Convert to fraction form
    36,448.54/54,672.81 = 20,855.32/x
  3. Step 3: Cross multiply
    36,448.54x = 54,672.81 × 20,855.32
  4. Step 4: Simplify right side
    36,448.54x = 1,140,218,947.85
  5. Step 5: Solve for x
    x = 1,140,218,947.85/36,448.54
  6. Step 6: Final answer
    x = 31,282.98

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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.