Home / 33,918.32-46,810.40-18,811.61

Finding the Fourth Proportional to 33,918.32, 46,810.40 and 18,811.61

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Solution

The fourth proportional to 33,918.32, 46,810.40 and 18,811.61 is: 25,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,918.32 : 46,810.40 = 18,811.61 : x
  2. Step 2: Convert to fraction form
    33,918.32/46,810.40 = 18,811.61/x
  3. Step 3: Cross multiply
    33,918.32x = 46,810.40 × 18,811.61
  4. Step 4: Simplify right side
    33,918.32x = 880,578,660.63
  5. Step 5: Solve for x
    x = 880,578,660.63/33,918.32
  6. Step 6: Final answer
    x = 25,961.75

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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.