Home / 36,658.20-55,003.68-21,075.84

Finding the Fourth Proportional to 36,658.20, 55,003.68 and 21,075.84

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Solution

The fourth proportional to 36,658.20, 55,003.68 and 21,075.84 is: 31,623.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,658.20 : 55,003.68 = 21,075.84 : x
  2. Step 2: Convert to fraction form
    36,658.20/55,003.68 = 21,075.84/x
  3. Step 3: Cross multiply
    36,658.20x = 55,003.68 × 21,075.84
  4. Step 4: Simplify right side
    36,658.20x = 1,159,248,759.09
  5. Step 5: Solve for x
    x = 1,159,248,759.09/36,658.20
  6. Step 6: Final answer
    x = 31,623.18

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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.