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Finding the Fourth Proportional to 36,234.70, 49,991.93 and 21,889.16

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Solution

The fourth proportional to 36,234.70, 49,991.93 and 21,889.16 is: 30,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,234.70 : 49,991.93 = 21,889.16 : x
  2. Step 2: Convert to fraction form
    36,234.70/49,991.93 = 21,889.16/x
  3. Step 3: Cross multiply
    36,234.70x = 49,991.93 × 21,889.16
  4. Step 4: Simplify right side
    36,234.70x = 1,094,281,354.48
  5. Step 5: Solve for x
    x = 1,094,281,354.48/36,234.70
  6. Step 6: Final answer
    x = 30,199.82

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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.