Home / 53,359.44-80,019.96-18,289.68

Finding the Fourth Proportional to 53,359.44, 80,019.96 and 18,289.68

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Solution

The fourth proportional to 53,359.44, 80,019.96 and 18,289.68 is: 27,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,359.44 : 80,019.96 = 18,289.68 : x
  2. Step 2: Convert to fraction form
    53,359.44/80,019.96 = 18,289.68/x
  3. Step 3: Cross multiply
    53,359.44x = 80,019.96 × 18,289.68
  4. Step 4: Simplify right side
    53,359.44x = 1,463,539,462.01
  5. Step 5: Solve for x
    x = 1,463,539,462.01/53,359.44
  6. Step 6: Final answer
    x = 27,427.94

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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.