Home / 33,315.60-45,977.28-19,170.60

Finding the Fourth Proportional to 33,315.60, 45,977.28 and 19,170.60

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Solution

The fourth proportional to 33,315.60, 45,977.28 and 19,170.60 is: 26,456.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,315.60 : 45,977.28 = 19,170.60 : x
  2. Step 2: Convert to fraction form
    33,315.60/45,977.28 = 19,170.60/x
  3. Step 3: Cross multiply
    33,315.60x = 45,977.28 × 19,170.60
  4. Step 4: Simplify right side
    33,315.60x = 881,412,043.97
  5. Step 5: Solve for x
    x = 881,412,043.97/33,315.60
  6. Step 6: Final answer
    x = 26,456.44

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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.