Home / 36,431.08-50,274.48-20,515.24

Finding the Fourth Proportional to 36,431.08, 50,274.48 and 20,515.24

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Solution

The fourth proportional to 36,431.08, 50,274.48 and 20,515.24 is: 28,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,431.08 : 50,274.48 = 20,515.24 : x
  2. Step 2: Convert to fraction form
    36,431.08/50,274.48 = 20,515.24/x
  3. Step 3: Cross multiply
    36,431.08x = 50,274.48 × 20,515.24
  4. Step 4: Simplify right side
    36,431.08x = 1,031,393,023.08
  5. Step 5: Solve for x
    x = 1,031,393,023.08/36,431.08
  6. Step 6: Final answer
    x = 28,310.80

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Find fourth proportional to 36,432.08, 50,275.86 and 20,516.24
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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.