Home / 49,273.20-73,920.60-15,987.60

Finding the Fourth Proportional to 49,273.20, 73,920.60 and 15,987.60

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Solution

The fourth proportional to 49,273.20, 73,920.60 and 15,987.60 is: 23,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,273.20 : 73,920.60 = 15,987.60 : x
  2. Step 2: Convert to fraction form
    49,273.20/73,920.60 = 15,987.60/x
  3. Step 3: Cross multiply
    49,273.20x = 73,920.60 × 15,987.60
  4. Step 4: Simplify right side
    49,273.20x = 1,181,812,984.56
  5. Step 5: Solve for x
    x = 1,181,812,984.56/49,273.20
  6. Step 6: Final answer
    x = 23,984.90

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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.