Home / 36,237.84-50,008.64-20,105.45

Finding the Fourth Proportional to 36,237.84, 50,008.64 and 20,105.45

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Solution

The fourth proportional to 36,237.84, 50,008.64 and 20,105.45 is: 27,745.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,237.84 : 50,008.64 = 20,105.45 : x
  2. Step 2: Convert to fraction form
    36,237.84/50,008.64 = 20,105.45/x
  3. Step 3: Cross multiply
    36,237.84x = 50,008.64 × 20,105.45
  4. Step 4: Simplify right side
    36,237.84x = 1,005,446,048.05
  5. Step 5: Solve for x
    x = 1,005,446,048.05/36,237.84
  6. Step 6: Final answer
    x = 27,745.75

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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.