Home / 38,196.78-57,294.96-20,777.32

Finding the Fourth Proportional to 38,196.78, 57,294.96 and 20,777.32

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Solution

The fourth proportional to 38,196.78, 57,294.96 and 20,777.32 is: 31,165.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,196.78 : 57,294.96 = 20,777.32 : x
  2. Step 2: Convert to fraction form
    38,196.78/57,294.96 = 20,777.32/x
  3. Step 3: Cross multiply
    38,196.78x = 57,294.96 × 20,777.32
  4. Step 4: Simplify right side
    38,196.78x = 1,190,435,718.31
  5. Step 5: Solve for x
    x = 1,190,435,718.31/38,196.78
  6. Step 6: Final answer
    x = 31,165.87

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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.