Home / 36,279.06-50,068.53-21,170.50

Finding the Fourth Proportional to 36,279.06, 50,068.53 and 21,170.50

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Solution

The fourth proportional to 36,279.06, 50,068.53 and 21,170.50 is: 29,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,279.06 : 50,068.53 = 21,170.50 : x
  2. Step 2: Convert to fraction form
    36,279.06/50,068.53 = 21,170.50/x
  3. Step 3: Cross multiply
    36,279.06x = 50,068.53 × 21,170.50
  4. Step 4: Simplify right side
    36,279.06x = 1,059,975,814.37
  5. Step 5: Solve for x
    x = 1,059,975,814.37/36,279.06
  6. Step 6: Final answer
    x = 29,217.29

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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.