Home / 37,761.26-52,111.88-20,766.80

Finding the Fourth Proportional to 37,761.26, 52,111.88 and 20,766.80

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Solution

The fourth proportional to 37,761.26, 52,111.88 and 20,766.80 is: 28,658.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,761.26 : 52,111.88 = 20,766.80 : x
  2. Step 2: Convert to fraction form
    37,761.26/52,111.88 = 20,766.80/x
  3. Step 3: Cross multiply
    37,761.26x = 52,111.88 × 20,766.80
  4. Step 4: Simplify right side
    37,761.26x = 1,082,196,989.58
  5. Step 5: Solve for x
    x = 1,082,196,989.58/37,761.26
  6. Step 6: Final answer
    x = 28,658.92

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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.