Home / 36,219.70-54,329.55-28,783.90

Finding the Fourth Proportional to 36,219.70, 54,329.55 and 28,783.90

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Solution

The fourth proportional to 36,219.70, 54,329.55 and 28,783.90 is: 43,175.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,219.70 : 54,329.55 = 28,783.90 : x
  2. Step 2: Convert to fraction form
    36,219.70/54,329.55 = 28,783.90/x
  3. Step 3: Cross multiply
    36,219.70x = 54,329.55 × 28,783.90
  4. Step 4: Simplify right side
    36,219.70x = 1,563,816,334.25
  5. Step 5: Solve for x
    x = 1,563,816,334.25/36,219.70
  6. Step 6: Final answer
    x = 43,175.85

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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.