Home / 20,000.23-29,999.98-5,969.78

Finding the Fourth Proportional to 20,000.23, 29,999.98 and 5,969.78

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Solution

The fourth proportional to 20,000.23, 29,999.98 and 5,969.78 is: 8,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.23 : 29,999.98 = 5,969.78 : x
  2. Step 2: Convert to fraction form
    20,000.23/29,999.98 = 5,969.78/x
  3. Step 3: Cross multiply
    20,000.23x = 29,999.98 × 5,969.78
  4. Step 4: Simplify right side
    20,000.23x = 179,093,280.60
  5. Step 5: Solve for x
    x = 179,093,280.60/20,000.23
  6. Step 6: Final answer
    x = 8,954.56

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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.