Home / 50,032.07-75,048.23-20,449.90

Finding the Fourth Proportional to 50,032.07, 75,048.23 and 20,449.90

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Solution

The fourth proportional to 50,032.07, 75,048.23 and 20,449.90 is: 30,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,032.07 : 75,048.23 = 20,449.90 : x
  2. Step 2: Convert to fraction form
    50,032.07/75,048.23 = 20,449.90/x
  3. Step 3: Cross multiply
    50,032.07x = 75,048.23 × 20,449.90
  4. Step 4: Simplify right side
    50,032.07x = 1,534,728,798.68
  5. Step 5: Solve for x
    x = 1,534,728,798.68/50,032.07
  6. Step 6: Final answer
    x = 30,674.90

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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.