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Finding the Fourth Proportional to 36,581.12, 50,482.14 and 19,814.12

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Solution

The fourth proportional to 36,581.12, 50,482.14 and 19,814.12 is: 27,343.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,581.12 : 50,482.14 = 19,814.12 : x
  2. Step 2: Convert to fraction form
    36,581.12/50,482.14 = 19,814.12/x
  3. Step 3: Cross multiply
    36,581.12x = 50,482.14 × 19,814.12
  4. Step 4: Simplify right side
    36,581.12x = 1,000,259,179.82
  5. Step 5: Solve for x
    x = 1,000,259,179.82/36,581.12
  6. Step 6: Final answer
    x = 27,343.59

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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.