Home / 36,140.57-54,112.44-28,107.45

Finding the Fourth Proportional to 36,140.57, 54,112.44 and 28,107.45

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Solution

The fourth proportional to 36,140.57, 54,112.44 and 28,107.45 is: 42,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,140.57 : 54,112.44 = 28,107.45 : x
  2. Step 2: Convert to fraction form
    36,140.57/54,112.44 = 28,107.45/x
  3. Step 3: Cross multiply
    36,140.57x = 54,112.44 × 28,107.45
  4. Step 4: Simplify right side
    36,140.57x = 1,520,962,701.68
  5. Step 5: Solve for x
    x = 1,520,962,701.68/36,140.57
  6. Step 6: Final answer
    x = 42,084.64

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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.