Home / 29,939.80-44,861.10-18,826.60

Finding the Fourth Proportional to 29,939.80, 44,861.10 and 18,826.60

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Solution

The fourth proportional to 29,939.80, 44,861.10 and 18,826.60 is: 28,209.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,939.80 : 44,861.10 = 18,826.60 : x
  2. Step 2: Convert to fraction form
    29,939.80/44,861.10 = 18,826.60/x
  3. Step 3: Cross multiply
    29,939.80x = 44,861.10 × 18,826.60
  4. Step 4: Simplify right side
    29,939.80x = 844,581,985.26
  5. Step 5: Solve for x
    x = 844,581,985.26/29,939.80
  6. Step 6: Final answer
    x = 28,209.34

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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.