Home / 33,615.81-46,392.48-18,511.20

Finding the Fourth Proportional to 33,615.81, 46,392.48 and 18,511.20

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Solution

The fourth proportional to 33,615.81, 46,392.48 and 18,511.20 is: 25,546.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,615.81 : 46,392.48 = 18,511.20 : x
  2. Step 2: Convert to fraction form
    33,615.81/46,392.48 = 18,511.20/x
  3. Step 3: Cross multiply
    33,615.81x = 46,392.48 × 18,511.20
  4. Step 4: Simplify right side
    33,615.81x = 858,780,475.78
  5. Step 5: Solve for x
    x = 858,780,475.78/33,615.81
  6. Step 6: Final answer
    x = 25,546.92

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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.