Home / 33,090.40-49,570.80-19,903.60

Finding the Fourth Proportional to 33,090.40, 49,570.80 and 19,903.60

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Solution

The fourth proportional to 33,090.40, 49,570.80 and 19,903.60 is: 29,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,090.40 : 49,570.80 = 19,903.60 : x
  2. Step 2: Convert to fraction form
    33,090.40/49,570.80 = 19,903.60/x
  3. Step 3: Cross multiply
    33,090.40x = 49,570.80 × 19,903.60
  4. Step 4: Simplify right side
    33,090.40x = 986,637,374.88
  5. Step 5: Solve for x
    x = 986,637,374.88/33,090.40
  6. Step 6: Final answer
    x = 29,816.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.