Home / 38,383.67-52,972.56-21,393.42

Finding the Fourth Proportional to 38,383.67, 52,972.56 and 21,393.42

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Solution

The fourth proportional to 38,383.67, 52,972.56 and 21,393.42 is: 29,524.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,383.67 : 52,972.56 = 21,393.42 : x
  2. Step 2: Convert to fraction form
    38,383.67/52,972.56 = 21,393.42/x
  3. Step 3: Cross multiply
    38,383.67x = 52,972.56 × 21,393.42
  4. Step 4: Simplify right side
    38,383.67x = 1,133,263,965.74
  5. Step 5: Solve for x
    x = 1,133,263,965.74/38,383.67
  6. Step 6: Final answer
    x = 29,524.64

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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.