Home / 37,685.21-52,001.73-21,774.78

Finding the Fourth Proportional to 37,685.21, 52,001.73 and 21,774.78

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Solution

The fourth proportional to 37,685.21, 52,001.73 and 21,774.78 is: 30,046.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,685.21 : 52,001.73 = 21,774.78 : x
  2. Step 2: Convert to fraction form
    37,685.21/52,001.73 = 21,774.78/x
  3. Step 3: Cross multiply
    37,685.21x = 52,001.73 × 21,774.78
  4. Step 4: Simplify right side
    37,685.21x = 1,132,326,230.37
  5. Step 5: Solve for x
    x = 1,132,326,230.37/37,685.21
  6. Step 6: Final answer
    x = 30,046.97

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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.