Home / 36,431.30-50,276.18-20,516.32

Finding the Fourth Proportional to 36,431.30, 50,276.18 and 20,516.32

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Solution

The fourth proportional to 36,431.30, 50,276.18 and 20,516.32 is: 28,313.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,431.30 : 50,276.18 = 20,516.32 : x
  2. Step 2: Convert to fraction form
    36,431.30/50,276.18 = 20,516.32/x
  3. Step 3: Cross multiply
    36,431.30x = 50,276.18 × 20,516.32
  4. Step 4: Simplify right side
    36,431.30x = 1,031,481,968.99
  5. Step 5: Solve for x
    x = 1,031,481,968.99/36,431.30
  6. Step 6: Final answer
    x = 28,313.07

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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.