Home / 36,613.85-50,529.29-20,699.78

Finding the Fourth Proportional to 36,613.85, 50,529.29 and 20,699.78

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Solution

The fourth proportional to 36,613.85, 50,529.29 and 20,699.78 is: 28,566.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,613.85 : 50,529.29 = 20,699.78 : x
  2. Step 2: Convert to fraction form
    36,613.85/50,529.29 = 20,699.78/x
  3. Step 3: Cross multiply
    36,613.85x = 50,529.29 × 20,699.78
  4. Step 4: Simplify right side
    36,613.85x = 1,045,944,830.41
  5. Step 5: Solve for x
    x = 1,045,944,830.41/36,613.85
  6. Step 6: Final answer
    x = 28,566.92

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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.