Home / 74,583.95-111,858.84-21,274.91

Finding the Fourth Proportional to 74,583.95, 111,858.84 and 21,274.91

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Solution

The fourth proportional to 74,583.95, 111,858.84 and 21,274.91 is: 31,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,583.95 : 111,858.84 = 21,274.91 : x
  2. Step 2: Convert to fraction form
    74,583.95/111,858.84 = 21,274.91/x
  3. Step 3: Cross multiply
    74,583.95x = 111,858.84 × 21,274.91
  4. Step 4: Simplify right side
    74,583.95x = 2,379,786,753.70
  5. Step 5: Solve for x
    x = 2,379,786,753.70/74,583.95
  6. Step 6: Final answer
    x = 31,907.49

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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.