Home / 43,739.30-65,619.37-14,157.14

Finding the Fourth Proportional to 43,739.30, 65,619.37 and 14,157.14

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Solution

The fourth proportional to 43,739.30, 65,619.37 and 14,157.14 is: 21,239.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,739.30 : 65,619.37 = 14,157.14 : x
  2. Step 2: Convert to fraction form
    43,739.30/65,619.37 = 14,157.14/x
  3. Step 3: Cross multiply
    43,739.30x = 65,619.37 × 14,157.14
  4. Step 4: Simplify right side
    43,739.30x = 928,982,537.02
  5. Step 5: Solve for x
    x = 928,982,537.02/43,739.30
  6. Step 6: Final answer
    x = 21,239.08

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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.