Home / 61,311.24-84,648.24-40,126.32

Finding the Fourth Proportional to 61,311.24, 84,648.24 and 40,126.32

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Solution

The fourth proportional to 61,311.24, 84,648.24 and 40,126.32 is: 55,399.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,311.24 : 84,648.24 = 40,126.32 : x
  2. Step 2: Convert to fraction form
    61,311.24/84,648.24 = 40,126.32/x
  3. Step 3: Cross multiply
    61,311.24x = 84,648.24 × 40,126.32
  4. Step 4: Simplify right side
    61,311.24x = 3,396,622,365.68
  5. Step 5: Solve for x
    x = 3,396,622,365.68/61,311.24
  6. Step 6: Final answer
    x = 55,399.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.