Home / 36,658.17-55,003.68-21,075.80

Finding the Fourth Proportional to 36,658.17, 55,003.68 and 21,075.80

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Solution

The fourth proportional to 36,658.17, 55,003.68 and 21,075.80 is: 31,623.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,658.17 : 55,003.68 = 21,075.80 : x
  2. Step 2: Convert to fraction form
    36,658.17/55,003.68 = 21,075.80/x
  3. Step 3: Cross multiply
    36,658.17x = 55,003.68 × 21,075.80
  4. Step 4: Simplify right side
    36,658.17x = 1,159,246,283.93
  5. Step 5: Solve for x
    x = 1,159,246,283.93/36,658.17
  6. Step 6: Final answer
    x = 31,623.14

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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.