Home / 33,080.60-45,653.54-18,740.31

Finding the Fourth Proportional to 33,080.60, 45,653.54 and 18,740.31

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Solution

The fourth proportional to 33,080.60, 45,653.54 and 18,740.31 is: 25,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,080.60 : 45,653.54 = 18,740.31 : x
  2. Step 2: Convert to fraction form
    33,080.60/45,653.54 = 18,740.31/x
  3. Step 3: Cross multiply
    33,080.60x = 45,653.54 × 18,740.31
  4. Step 4: Simplify right side
    33,080.60x = 855,561,398.50
  5. Step 5: Solve for x
    x = 855,561,398.50/33,080.60
  6. Step 6: Final answer
    x = 25,862.94

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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.