Home / 33,187.79-45,796.11-19,762.31

Finding the Fourth Proportional to 33,187.79, 45,796.11 and 19,762.31

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Solution

The fourth proportional to 33,187.79, 45,796.11 and 19,762.31 is: 27,270.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.79 : 45,796.11 = 19,762.31 : x
  2. Step 2: Convert to fraction form
    33,187.79/45,796.11 = 19,762.31/x
  3. Step 3: Cross multiply
    33,187.79x = 45,796.11 × 19,762.31
  4. Step 4: Simplify right side
    33,187.79x = 905,036,922.61
  5. Step 5: Solve for x
    x = 905,036,922.61/33,187.79
  6. Step 6: Final answer
    x = 27,270.18

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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.