Home / 36,003.45-49,676.81-20,887.36

Finding the Fourth Proportional to 36,003.45, 49,676.81 and 20,887.36

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Solution

The fourth proportional to 36,003.45, 49,676.81 and 20,887.36 is: 28,819.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,003.45 : 49,676.81 = 20,887.36 : x
  2. Step 2: Convert to fraction form
    36,003.45/49,676.81 = 20,887.36/x
  3. Step 3: Cross multiply
    36,003.45x = 49,676.81 × 20,887.36
  4. Step 4: Simplify right side
    36,003.45x = 1,037,617,302.98
  5. Step 5: Solve for x
    x = 1,037,617,302.98/36,003.45
  6. Step 6: Final answer
    x = 28,819.94

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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.