Home / 40,769.37-61,126.11-18,271.22

Finding the Fourth Proportional to 40,769.37, 61,126.11 and 18,271.22

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Solution

The fourth proportional to 40,769.37, 61,126.11 and 18,271.22 is: 27,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,769.37 : 61,126.11 = 18,271.22 : x
  2. Step 2: Convert to fraction form
    40,769.37/61,126.11 = 18,271.22/x
  3. Step 3: Cross multiply
    40,769.37x = 61,126.11 × 18,271.22
  4. Step 4: Simplify right side
    40,769.37x = 1,116,848,297.92
  5. Step 5: Solve for x
    x = 1,116,848,297.92/40,769.37
  6. Step 6: Final answer
    x = 27,394.30

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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.