Home / 36,415.87-50,257.74-21,313.42

Finding the Fourth Proportional to 36,415.87, 50,257.74 and 21,313.42

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Solution

The fourth proportional to 36,415.87, 50,257.74 and 21,313.42 is: 29,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,415.87 : 50,257.74 = 21,313.42 : x
  2. Step 2: Convert to fraction form
    36,415.87/50,257.74 = 21,313.42/x
  3. Step 3: Cross multiply
    36,415.87x = 50,257.74 × 21,313.42
  4. Step 4: Simplify right side
    36,415.87x = 1,071,164,320.87
  5. Step 5: Solve for x
    x = 1,071,164,320.87/36,415.87
  6. Step 6: Final answer
    x = 29,414.77

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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.