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Finding the Fourth Proportional to 74,608.69, 111,900.61 and 22,005.67

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Solution

The fourth proportional to 74,608.69, 111,900.61 and 22,005.67 is: 33,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,608.69 : 111,900.61 = 22,005.67 : x
  2. Step 2: Convert to fraction form
    74,608.69/111,900.61 = 22,005.67/x
  3. Step 3: Cross multiply
    74,608.69x = 111,900.61 × 22,005.67
  4. Step 4: Simplify right side
    74,608.69x = 2,462,447,896.46
  5. Step 5: Solve for x
    x = 2,462,447,896.46/74,608.69
  6. Step 6: Final answer
    x = 33,004.84

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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.