Home / 43,970.36-65,973.96-18,997.56

Finding the Fourth Proportional to 43,970.36, 65,973.96 and 18,997.56

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Solution

The fourth proportional to 43,970.36, 65,973.96 and 18,997.56 is: 28,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,970.36 : 65,973.96 = 18,997.56 : x
  2. Step 2: Convert to fraction form
    43,970.36/65,973.96 = 18,997.56/x
  3. Step 3: Cross multiply
    43,970.36x = 65,973.96 × 18,997.56
  4. Step 4: Simplify right side
    43,970.36x = 1,253,344,263.54
  5. Step 5: Solve for x
    x = 1,253,344,263.54/43,970.36
  6. Step 6: Final answer
    x = 28,504.30

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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.