Home / 43,654.34-65,481.06-18,673.22

Finding the Fourth Proportional to 43,654.34, 65,481.06 and 18,673.22

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Solution

The fourth proportional to 43,654.34, 65,481.06 and 18,673.22 is: 28,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,654.34 : 65,481.06 = 18,673.22 : x
  2. Step 2: Convert to fraction form
    43,654.34/65,481.06 = 18,673.22/x
  3. Step 3: Cross multiply
    43,654.34x = 65,481.06 × 18,673.22
  4. Step 4: Simplify right side
    43,654.34x = 1,222,742,239.21
  5. Step 5: Solve for x
    x = 1,222,742,239.21/43,654.34
  6. Step 6: Final answer
    x = 28,009.64

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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.