Home / 36,408.95-50,245.70-20,494.88

Finding the Fourth Proportional to 36,408.95, 50,245.70 and 20,494.88

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Solution

The fourth proportional to 36,408.95, 50,245.70 and 20,494.88 is: 28,283.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,408.95 : 50,245.70 = 20,494.88 : x
  2. Step 2: Convert to fraction form
    36,408.95/50,245.70 = 20,494.88/x
  3. Step 3: Cross multiply
    36,408.95x = 50,245.70 × 20,494.88
  4. Step 4: Simplify right side
    36,408.95x = 1,029,779,592.02
  5. Step 5: Solve for x
    x = 1,029,779,592.02/36,408.95
  6. Step 6: Final answer
    x = 28,283.69

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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.