Home / 36,336.48-50,144.02-20,420.89

Finding the Fourth Proportional to 36,336.48, 50,144.02 and 20,420.89

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Solution

The fourth proportional to 36,336.48, 50,144.02 and 20,420.89 is: 28,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,336.48 : 50,144.02 = 20,420.89 : x
  2. Step 2: Convert to fraction form
    36,336.48/50,144.02 = 20,420.89/x
  3. Step 3: Cross multiply
    36,336.48x = 50,144.02 × 20,420.89
  4. Step 4: Simplify right side
    36,336.48x = 1,023,985,516.58
  5. Step 5: Solve for x
    x = 1,023,985,516.58/36,336.48
  6. Step 6: Final answer
    x = 28,180.65

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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.