Home / 43,739.99-65,620.40-14,157.83

Finding the Fourth Proportional to 43,739.99, 65,620.40 and 14,157.83

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Solution

The fourth proportional to 43,739.99, 65,620.40 and 14,157.83 is: 21,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,739.99 : 65,620.40 = 14,157.83 : x
  2. Step 2: Convert to fraction form
    43,739.99/65,620.40 = 14,157.83/x
  3. Step 3: Cross multiply
    43,739.99x = 65,620.40 × 14,157.83
  4. Step 4: Simplify right side
    43,739.99x = 929,042,139.63
  5. Step 5: Solve for x
    x = 929,042,139.63/43,739.99
  6. Step 6: Final answer
    x = 21,240.11

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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.