Home / 33,884.64-46,761-18,777.72

Finding the Fourth Proportional to 33,884.64, 46,761 and 18,777.72

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Solution

The fourth proportional to 33,884.64, 46,761 and 18,777.72 is: 25,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,884.64 : 46,761 = 18,777.72 : x
  2. Step 2: Convert to fraction form
    33,884.64/46,761 = 18,777.72/x
  3. Step 3: Cross multiply
    33,884.64x = 46,761 × 18,777.72
  4. Step 4: Simplify right side
    33,884.64x = 878,064,964.92
  5. Step 5: Solve for x
    x = 878,064,964.92/33,884.64
  6. Step 6: Final answer
    x = 25,913.36

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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.