Home / 48,817.20-73,128.60-28,016.40

Finding the Fourth Proportional to 48,817.20, 73,128.60 and 28,016.40

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Solution

The fourth proportional to 48,817.20, 73,128.60 and 28,016.40 is: 41,968.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,817.20 : 73,128.60 = 28,016.40 : x
  2. Step 2: Convert to fraction form
    48,817.20/73,128.60 = 28,016.40/x
  3. Step 3: Cross multiply
    48,817.20x = 73,128.60 × 28,016.40
  4. Step 4: Simplify right side
    48,817.20x = 2,048,800,109.04
  5. Step 5: Solve for x
    x = 2,048,800,109.04/48,817.20
  6. Step 6: Final answer
    x = 41,968.82

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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.