Home / 31,255.96-46,883.58-12,540.76

Finding the Fourth Proportional to 31,255.96, 46,883.58 and 12,540.76

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Solution

The fourth proportional to 31,255.96, 46,883.58 and 12,540.76 is: 18,811.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.96 : 46,883.58 = 12,540.76 : x
  2. Step 2: Convert to fraction form
    31,255.96/46,883.58 = 12,540.76/x
  3. Step 3: Cross multiply
    31,255.96x = 46,883.58 × 12,540.76
  4. Step 4: Simplify right side
    31,255.96x = 587,955,724.72
  5. Step 5: Solve for x
    x = 587,955,724.72/31,255.96
  6. Step 6: Final answer
    x = 18,811.00

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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.