Home / 31,173.22-46,742.55-12,451.78

Finding the Fourth Proportional to 31,173.22, 46,742.55 and 12,451.78

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Solution

The fourth proportional to 31,173.22, 46,742.55 and 12,451.78 is: 18,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,173.22 : 46,742.55 = 12,451.78 : x
  2. Step 2: Convert to fraction form
    31,173.22/46,742.55 = 12,451.78/x
  3. Step 3: Cross multiply
    31,173.22x = 46,742.55 × 12,451.78
  4. Step 4: Simplify right side
    31,173.22x = 582,027,949.24
  5. Step 5: Solve for x
    x = 582,027,949.24/31,173.22
  6. Step 6: Final answer
    x = 18,670.77

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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.