Home / 40,488.75-55,879.35-23,721.75

Finding the Fourth Proportional to 40,488.75, 55,879.35 and 23,721.75

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Solution

The fourth proportional to 40,488.75, 55,879.35 and 23,721.75 is: 32,738.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,488.75 : 55,879.35 = 23,721.75 : x
  2. Step 2: Convert to fraction form
    40,488.75/55,879.35 = 23,721.75/x
  3. Step 3: Cross multiply
    40,488.75x = 55,879.35 × 23,721.75
  4. Step 4: Simplify right side
    40,488.75x = 1,325,555,970.86
  5. Step 5: Solve for x
    x = 1,325,555,970.86/40,488.75
  6. Step 6: Final answer
    x = 32,738.87

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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.