Home / 37,511.83-51,766.35-20,515.80

Finding the Fourth Proportional to 37,511.83, 51,766.35 and 20,515.80

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Solution

The fourth proportional to 37,511.83, 51,766.35 and 20,515.80 is: 28,311.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,511.83 : 51,766.35 = 20,515.80 : x
  2. Step 2: Convert to fraction form
    37,511.83/51,766.35 = 20,515.80/x
  3. Step 3: Cross multiply
    37,511.83x = 51,766.35 × 20,515.80
  4. Step 4: Simplify right side
    37,511.83x = 1,062,028,083.33
  5. Step 5: Solve for x
    x = 1,062,028,083.33/37,511.83
  6. Step 6: Final answer
    x = 28,311.82

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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.