Home / 36,808.20-55,213.20-13,434.63

Finding the Fourth Proportional to 36,808.20, 55,213.20 and 13,434.63

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Solution

The fourth proportional to 36,808.20, 55,213.20 and 13,434.63 is: 20,152.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,808.20 : 55,213.20 = 13,434.63 : x
  2. Step 2: Convert to fraction form
    36,808.20/55,213.20 = 13,434.63/x
  3. Step 3: Cross multiply
    36,808.20x = 55,213.20 × 13,434.63
  4. Step 4: Simplify right side
    36,808.20x = 741,768,913.12
  5. Step 5: Solve for x
    x = 741,768,913.12/36,808.20
  6. Step 6: Final answer
    x = 20,152.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.