Home / 36,722.71-50,676.35-20,812.28

Finding the Fourth Proportional to 36,722.71, 50,676.35 and 20,812.28

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Solution

The fourth proportional to 36,722.71, 50,676.35 and 20,812.28 is: 28,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,722.71 : 50,676.35 = 20,812.28 : x
  2. Step 2: Convert to fraction form
    36,722.71/50,676.35 = 20,812.28/x
  3. Step 3: Cross multiply
    36,722.71x = 50,676.35 × 20,812.28
  4. Step 4: Simplify right side
    36,722.71x = 1,054,690,385.58
  5. Step 5: Solve for x
    x = 1,054,690,385.58/36,722.71
  6. Step 6: Final answer
    x = 28,720.39

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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.