Home / 49,647.60-74,422.80-20,025.90

Finding the Fourth Proportional to 49,647.60, 74,422.80 and 20,025.90

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Solution

The fourth proportional to 49,647.60, 74,422.80 and 20,025.90 is: 30,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,647.60 : 74,422.80 = 20,025.90 : x
  2. Step 2: Convert to fraction form
    49,647.60/74,422.80 = 20,025.90/x
  3. Step 3: Cross multiply
    49,647.60x = 74,422.80 × 20,025.90
  4. Step 4: Simplify right side
    49,647.60x = 1,490,383,550.52
  5. Step 5: Solve for x
    x = 1,490,383,550.52/49,647.60
  6. Step 6: Final answer
    x = 30,019.25

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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.