Home / 29,211.80-43,858.20-18,746.60

Finding the Fourth Proportional to 29,211.80, 43,858.20 and 18,746.60

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Solution

The fourth proportional to 29,211.80, 43,858.20 and 18,746.60 is: 28,145.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,211.80 : 43,858.20 = 18,746.60 : x
  2. Step 2: Convert to fraction form
    29,211.80/43,858.20 = 18,746.60/x
  3. Step 3: Cross multiply
    29,211.80x = 43,858.20 × 18,746.60
  4. Step 4: Simplify right side
    29,211.80x = 822,192,132.12
  5. Step 5: Solve for x
    x = 822,192,132.12/29,211.80
  6. Step 6: Final answer
    x = 28,145.89

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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.