Home / 41,778.20-57,653.52-22,915.40

Finding the Fourth Proportional to 41,778.20, 57,653.52 and 22,915.40

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Solution

The fourth proportional to 41,778.20, 57,653.52 and 22,915.40 is: 31,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,778.20 : 57,653.52 = 22,915.40 : x
  2. Step 2: Convert to fraction form
    41,778.20/57,653.52 = 22,915.40/x
  3. Step 3: Cross multiply
    41,778.20x = 57,653.52 × 22,915.40
  4. Step 4: Simplify right side
    41,778.20x = 1,321,153,472.21
  5. Step 5: Solve for x
    x = 1,321,153,472.21/41,778.20
  6. Step 6: Final answer
    x = 31,623.03

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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.