Home / 38,771.32-58,162.56-12,467.32

Finding the Fourth Proportional to 38,771.32, 58,162.56 and 12,467.32

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Solution

The fourth proportional to 38,771.32, 58,162.56 and 12,467.32 is: 18,702.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,771.32 : 58,162.56 = 12,467.32 : x
  2. Step 2: Convert to fraction form
    38,771.32/58,162.56 = 12,467.32/x
  3. Step 3: Cross multiply
    38,771.32x = 58,162.56 × 12,467.32
  4. Step 4: Simplify right side
    38,771.32x = 725,131,247.54
  5. Step 5: Solve for x
    x = 725,131,247.54/38,771.32
  6. Step 6: Final answer
    x = 18,702.77

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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.