Home / 36,457.75-50,311.70-19,690.75

Finding the Fourth Proportional to 36,457.75, 50,311.70 and 19,690.75

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Solution

The fourth proportional to 36,457.75, 50,311.70 and 19,690.75 is: 27,173.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,457.75 : 50,311.70 = 19,690.75 : x
  2. Step 2: Convert to fraction form
    36,457.75/50,311.70 = 19,690.75/x
  3. Step 3: Cross multiply
    36,457.75x = 50,311.70 × 19,690.75
  4. Step 4: Simplify right side
    36,457.75x = 990,675,106.78
  5. Step 5: Solve for x
    x = 990,675,106.78/36,457.75
  6. Step 6: Final answer
    x = 27,173.24

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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.