Home / 38,511.03-57,768.60-12,217.80

Finding the Fourth Proportional to 38,511.03, 57,768.60 and 12,217.80

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Solution

The fourth proportional to 38,511.03, 57,768.60 and 12,217.80 is: 18,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,511.03 : 57,768.60 = 12,217.80 : x
  2. Step 2: Convert to fraction form
    38,511.03/57,768.60 = 12,217.80/x
  3. Step 3: Cross multiply
    38,511.03x = 57,768.60 × 12,217.80
  4. Step 4: Simplify right side
    38,511.03x = 705,805,201.08
  5. Step 5: Solve for x
    x = 705,805,201.08/38,511.03
  6. Step 6: Final answer
    x = 18,327.35

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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.