Home / 31,976.64-44,126.91-18,364.32

Finding the Fourth Proportional to 31,976.64, 44,126.91 and 18,364.32

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Solution

The fourth proportional to 31,976.64, 44,126.91 and 18,364.32 is: 25,342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,976.64 : 44,126.91 = 18,364.32 : x
  2. Step 2: Convert to fraction form
    31,976.64/44,126.91 = 18,364.32/x
  3. Step 3: Cross multiply
    31,976.64x = 44,126.91 × 18,364.32
  4. Step 4: Simplify right side
    31,976.64x = 810,360,695.85
  5. Step 5: Solve for x
    x = 810,360,695.85/31,976.64
  6. Step 6: Final answer
    x = 25,342.27

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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.