Home / 43,782.76-65,694.30-18,830.44

Finding the Fourth Proportional to 43,782.76, 65,694.30 and 18,830.44

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Solution

The fourth proportional to 43,782.76, 65,694.30 and 18,830.44 is: 28,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,782.76 : 65,694.30 = 18,830.44 : x
  2. Step 2: Convert to fraction form
    43,782.76/65,694.30 = 18,830.44/x
  3. Step 3: Cross multiply
    43,782.76x = 65,694.30 × 18,830.44
  4. Step 4: Simplify right side
    43,782.76x = 1,237,052,574.49
  5. Step 5: Solve for x
    x = 1,237,052,574.49/43,782.76
  6. Step 6: Final answer
    x = 28,254.33

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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.