Home / 31,087.46-46,613.91-12,597.86

Finding the Fourth Proportional to 31,087.46, 46,613.91 and 12,597.86

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Solution

The fourth proportional to 31,087.46, 46,613.91 and 12,597.86 is: 18,889.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,087.46 : 46,613.91 = 12,597.86 : x
  2. Step 2: Convert to fraction form
    31,087.46/46,613.91 = 12,597.86/x
  3. Step 3: Cross multiply
    31,087.46x = 46,613.91 × 12,597.86
  4. Step 4: Simplify right side
    31,087.46x = 587,235,512.23
  5. Step 5: Solve for x
    x = 587,235,512.23/31,087.46
  6. Step 6: Final answer
    x = 18,889.79

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1.5x scale

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.