Home / 33,861.68-46,722.48-21,279.16

Finding the Fourth Proportional to 33,861.68, 46,722.48 and 21,279.16

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Solution

The fourth proportional to 33,861.68, 46,722.48 and 21,279.16 is: 29,361.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,861.68 : 46,722.48 = 21,279.16 : x
  2. Step 2: Convert to fraction form
    33,861.68/46,722.48 = 21,279.16/x
  3. Step 3: Cross multiply
    33,861.68x = 46,722.48 × 21,279.16
  4. Step 4: Simplify right side
    33,861.68x = 994,215,127.52
  5. Step 5: Solve for x
    x = 994,215,127.52/33,861.68
  6. Step 6: Final answer
    x = 29,361.07

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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.