Home / 53,455.41-80,194.05-18,390.51

Finding the Fourth Proportional to 53,455.41, 80,194.05 and 18,390.51

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Solution

The fourth proportional to 53,455.41, 80,194.05 and 18,390.51 is: 27,589.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,455.41 : 80,194.05 = 18,390.51 : x
  2. Step 2: Convert to fraction form
    53,455.41/80,194.05 = 18,390.51/x
  3. Step 3: Cross multiply
    53,455.41x = 80,194.05 × 18,390.51
  4. Step 4: Simplify right side
    53,455.41x = 1,474,809,478.47
  5. Step 5: Solve for x
    x = 1,474,809,478.47/53,455.41
  6. Step 6: Final answer
    x = 27,589.53

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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.