Home / 43,164.40-64,741.92-11,577.60

Finding the Fourth Proportional to 43,164.40, 64,741.92 and 11,577.60

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Solution

The fourth proportional to 43,164.40, 64,741.92 and 11,577.60 is: 17,365.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,164.40 : 64,741.92 = 11,577.60 : x
  2. Step 2: Convert to fraction form
    43,164.40/64,741.92 = 11,577.60/x
  3. Step 3: Cross multiply
    43,164.40x = 64,741.92 × 11,577.60
  4. Step 4: Simplify right side
    43,164.40x = 749,556,052.99
  5. Step 5: Solve for x
    x = 749,556,052.99/43,164.40
  6. Step 6: Final answer
    x = 17,365.14

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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.