Home / 36,433.79-50,278.77-20,518.50

Finding the Fourth Proportional to 36,433.79, 50,278.77 and 20,518.50

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Solution

The fourth proportional to 36,433.79, 50,278.77 and 20,518.50 is: 28,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,433.79 : 50,278.77 = 20,518.50 : x
  2. Step 2: Convert to fraction form
    36,433.79/50,278.77 = 20,518.50/x
  3. Step 3: Cross multiply
    36,433.79x = 50,278.77 × 20,518.50
  4. Step 4: Simplify right side
    36,433.79x = 1,031,644,942.25
  5. Step 5: Solve for x
    x = 1,031,644,942.25/36,433.79
  6. Step 6: Final answer
    x = 28,315.61

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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.