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Finding the Fourth Proportional to 36,755.94, 55,064.54 and 21,718.19

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Solution

The fourth proportional to 36,755.94, 55,064.54 and 21,718.19 is: 32,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,755.94 : 55,064.54 = 21,718.19 : x
  2. Step 2: Convert to fraction form
    36,755.94/55,064.54 = 21,718.19/x
  3. Step 3: Cross multiply
    36,755.94x = 55,064.54 × 21,718.19
  4. Step 4: Simplify right side
    36,755.94x = 1,195,902,141.98
  5. Step 5: Solve for x
    x = 1,195,902,141.98/36,755.94
  6. Step 6: Final answer
    x = 32,536.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.