Home / 36,408.78-50,243.04-20,494.08

Finding the Fourth Proportional to 36,408.78, 50,243.04 and 20,494.08

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Solution

The fourth proportional to 36,408.78, 50,243.04 and 20,494.08 is: 28,281.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,408.78 : 50,243.04 = 20,494.08 : x
  2. Step 2: Convert to fraction form
    36,408.78/50,243.04 = 20,494.08/x
  3. Step 3: Cross multiply
    36,408.78x = 50,243.04 × 20,494.08
  4. Step 4: Simplify right side
    36,408.78x = 1,029,684,881.20
  5. Step 5: Solve for x
    x = 1,029,684,881.20/36,408.78
  6. Step 6: Final answer
    x = 28,281.22

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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.