Home / 50,025.21-75,010.12-20,463.81

Finding the Fourth Proportional to 50,025.21, 75,010.12 and 20,463.81

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Solution

The fourth proportional to 50,025.21, 75,010.12 and 20,463.81 is: 30,684.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,025.21 : 75,010.12 = 20,463.81 : x
  2. Step 2: Convert to fraction form
    50,025.21/75,010.12 = 20,463.81/x
  3. Step 3: Cross multiply
    50,025.21x = 75,010.12 × 20,463.81
  4. Step 4: Simplify right side
    50,025.21x = 1,534,992,511.31
  5. Step 5: Solve for x
    x = 1,534,992,511.31/50,025.21
  6. Step 6: Final answer
    x = 30,684.38

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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.