Home / 40,723.80-61,051.02-18,529.38

Finding the Fourth Proportional to 40,723.80, 61,051.02 and 18,529.38

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Solution

The fourth proportional to 40,723.80, 61,051.02 and 18,529.38 is: 27,778.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,723.80 : 61,051.02 = 18,529.38 : x
  2. Step 2: Convert to fraction form
    40,723.80/61,051.02 = 18,529.38/x
  3. Step 3: Cross multiply
    40,723.80x = 61,051.02 × 18,529.38
  4. Step 4: Simplify right side
    40,723.80x = 1,131,237,548.97
  5. Step 5: Solve for x
    x = 1,131,237,548.97/40,723.80
  6. Step 6: Final answer
    x = 27,778.29

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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.