Home / 36,334.56-50,145.12-20,418.24

Finding the Fourth Proportional to 36,334.56, 50,145.12 and 20,418.24

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Solution

The fourth proportional to 36,334.56, 50,145.12 and 20,418.24 is: 28,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,334.56 : 50,145.12 = 20,418.24 : x
  2. Step 2: Convert to fraction form
    36,334.56/50,145.12 = 20,418.24/x
  3. Step 3: Cross multiply
    36,334.56x = 50,145.12 × 20,418.24
  4. Step 4: Simplify right side
    36,334.56x = 1,023,875,094.99
  5. Step 5: Solve for x
    x = 1,023,875,094.99/36,334.56
  6. Step 6: Final answer
    x = 28,179.10

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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.