Home / 40,273.98-60,430.77-18,103.02

Finding the Fourth Proportional to 40,273.98, 60,430.77 and 18,103.02

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Solution

The fourth proportional to 40,273.98, 60,430.77 and 18,103.02 is: 27,163.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,273.98 : 60,430.77 = 18,103.02 : x
  2. Step 2: Convert to fraction form
    40,273.98/60,430.77 = 18,103.02/x
  3. Step 3: Cross multiply
    40,273.98x = 60,430.77 × 18,103.02
  4. Step 4: Simplify right side
    40,273.98x = 1,093,979,437.93
  5. Step 5: Solve for x
    x = 1,093,979,437.93/40,273.98
  6. Step 6: Final answer
    x = 27,163.43

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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.