Home / 31,234.92-43,125-18,492.24

Finding the Fourth Proportional to 31,234.92, 43,125 and 18,492.24

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Solution

The fourth proportional to 31,234.92, 43,125 and 18,492.24 is: 25,531.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,234.92 : 43,125 = 18,492.24 : x
  2. Step 2: Convert to fraction form
    31,234.92/43,125 = 18,492.24/x
  3. Step 3: Cross multiply
    31,234.92x = 43,125 × 18,492.24
  4. Step 4: Simplify right side
    31,234.92x = 797,477,850.00
  5. Step 5: Solve for x
    x = 797,477,850.00/31,234.92
  6. Step 6: Final answer
    x = 25,531.61

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1.5x scale

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.