Home / 31,764.16-43,814.52-20,448.44

Finding the Fourth Proportional to 31,764.16, 43,814.52 and 20,448.44

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Solution

The fourth proportional to 31,764.16, 43,814.52 and 20,448.44 is: 28,205.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,764.16 : 43,814.52 = 20,448.44 : x
  2. Step 2: Convert to fraction form
    31,764.16/43,814.52 = 20,448.44/x
  3. Step 3: Cross multiply
    31,764.16x = 43,814.52 × 20,448.44
  4. Step 4: Simplify right side
    31,764.16x = 895,938,583.35
  5. Step 5: Solve for x
    x = 895,938,583.35/31,764.16
  6. Step 6: Final answer
    x = 28,205.96

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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.