Home / 31,738.37-47,613.58-12,764.48

Finding the Fourth Proportional to 31,738.37, 47,613.58 and 12,764.48

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Solution

The fourth proportional to 31,738.37, 47,613.58 and 12,764.48 is: 19,149.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,738.37 : 47,613.58 = 12,764.48 : x
  2. Step 2: Convert to fraction form
    31,738.37/47,613.58 = 12,764.48/x
  3. Step 3: Cross multiply
    31,738.37x = 47,613.58 × 12,764.48
  4. Step 4: Simplify right side
    31,738.37x = 607,762,589.64
  5. Step 5: Solve for x
    x = 607,762,589.64/31,738.37
  6. Step 6: Final answer
    x = 19,149.14

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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.