Home / 36,724.74-50,676.02-20,805.78

Finding the Fourth Proportional to 36,724.74, 50,676.02 and 20,805.78

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Solution

The fourth proportional to 36,724.74, 50,676.02 and 20,805.78 is: 28,709.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,724.74 : 50,676.02 = 20,805.78 : x
  2. Step 2: Convert to fraction form
    36,724.74/50,676.02 = 20,805.78/x
  3. Step 3: Cross multiply
    36,724.74x = 50,676.02 × 20,805.78
  4. Step 4: Simplify right side
    36,724.74x = 1,054,354,123.40
  5. Step 5: Solve for x
    x = 1,054,354,123.40/36,724.74
  6. Step 6: Final answer
    x = 28,709.64

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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.