Home / 74,542.14-111,800.66-21,230.37

Finding the Fourth Proportional to 74,542.14, 111,800.66 and 21,230.37

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Solution

The fourth proportional to 74,542.14, 111,800.66 and 21,230.37 is: 31,841.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,542.14 : 111,800.66 = 21,230.37 : x
  2. Step 2: Convert to fraction form
    74,542.14/111,800.66 = 21,230.37/x
  3. Step 3: Cross multiply
    74,542.14x = 111,800.66 × 21,230.37
  4. Step 4: Simplify right side
    74,542.14x = 2,373,569,271.89
  5. Step 5: Solve for x
    x = 2,373,569,271.89/74,542.14
  6. Step 6: Final answer
    x = 31,841.98

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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.