Home / 36,536.16-50,419.08-20,620.20

Finding the Fourth Proportional to 36,536.16, 50,419.08 and 20,620.20

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Solution

The fourth proportional to 36,536.16, 50,419.08 and 20,620.20 is: 28,455.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,536.16 : 50,419.08 = 20,620.20 : x
  2. Step 2: Convert to fraction form
    36,536.16/50,419.08 = 20,620.20/x
  3. Step 3: Cross multiply
    36,536.16x = 50,419.08 × 20,620.20
  4. Step 4: Simplify right side
    36,536.16x = 1,039,651,513.42
  5. Step 5: Solve for x
    x = 1,039,651,513.42/36,536.16
  6. Step 6: Final answer
    x = 28,455.41

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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.