Home / 36,774.79-50,759.64-21,676.21

Finding the Fourth Proportional to 36,774.79, 50,759.64 and 21,676.21

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Solution

The fourth proportional to 36,774.79, 50,759.64 and 21,676.21 is: 29,919.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,774.79 : 50,759.64 = 21,676.21 : x
  2. Step 2: Convert to fraction form
    36,774.79/50,759.64 = 21,676.21/x
  3. Step 3: Cross multiply
    36,774.79x = 50,759.64 × 21,676.21
  4. Step 4: Simplify right side
    36,774.79x = 1,100,276,616.16
  5. Step 5: Solve for x
    x = 1,100,276,616.16/36,774.79
  6. Step 6: Final answer
    x = 29,919.32

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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.