Home / 50,287.60-75,431.38-12,847.74

Finding the Fourth Proportional to 50,287.60, 75,431.38 and 12,847.74

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Solution

The fourth proportional to 50,287.60, 75,431.38 and 12,847.74 is: 19,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,287.60 : 75,431.38 = 12,847.74 : x
  2. Step 2: Convert to fraction form
    50,287.60/75,431.38 = 12,847.74/x
  3. Step 3: Cross multiply
    50,287.60x = 75,431.38 × 12,847.74
  4. Step 4: Simplify right side
    50,287.60x = 969,122,758.08
  5. Step 5: Solve for x
    x = 969,122,758.08/50,287.60
  6. Step 6: Final answer
    x = 19,271.60

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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.