Home / 36,853.18-50,858.58-20,936.68

Finding the Fourth Proportional to 36,853.18, 50,858.58 and 20,936.68

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Solution

The fourth proportional to 36,853.18, 50,858.58 and 20,936.68 is: 28,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,853.18 : 50,858.58 = 20,936.68 : x
  2. Step 2: Convert to fraction form
    36,853.18/50,858.58 = 20,936.68/x
  3. Step 3: Cross multiply
    36,853.18x = 50,858.58 × 20,936.68
  4. Step 4: Simplify right side
    36,853.18x = 1,064,809,814.71
  5. Step 5: Solve for x
    x = 1,064,809,814.71/36,853.18
  6. Step 6: Final answer
    x = 28,893.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.