Home / 47,633.24-65,679.67-38,991.94

Finding the Fourth Proportional to 47,633.24, 65,679.67 and 38,991.94

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Solution

The fourth proportional to 47,633.24, 65,679.67 and 38,991.94 is: 53,764.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,633.24 : 65,679.67 = 38,991.94 : x
  2. Step 2: Convert to fraction form
    47,633.24/65,679.67 = 38,991.94/x
  3. Step 3: Cross multiply
    47,633.24x = 65,679.67 × 38,991.94
  4. Step 4: Simplify right side
    47,633.24x = 2,560,977,751.86
  5. Step 5: Solve for x
    x = 2,560,977,751.86/47,633.24
  6. Step 6: Final answer
    x = 53,764.51

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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.