Home / 33,781.32-46,615.64-18,672.48

Finding the Fourth Proportional to 33,781.32, 46,615.64 and 18,672.48

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Solution

The fourth proportional to 33,781.32, 46,615.64 and 18,672.48 is: 25,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,781.32 : 46,615.64 = 18,672.48 : x
  2. Step 2: Convert to fraction form
    33,781.32/46,615.64 = 18,672.48/x
  3. Step 3: Cross multiply
    33,781.32x = 46,615.64 × 18,672.48
  4. Step 4: Simplify right side
    33,781.32x = 870,429,605.59
  5. Step 5: Solve for x
    x = 870,429,605.59/33,781.32
  6. Step 6: Final answer
    x = 25,766.60

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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.