Home / 50,571.12-75,810.24-19,400.16

Finding the Fourth Proportional to 50,571.12, 75,810.24 and 19,400.16

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Solution

The fourth proportional to 50,571.12, 75,810.24 and 19,400.16 is: 29,082.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,571.12 : 75,810.24 = 19,400.16 : x
  2. Step 2: Convert to fraction form
    50,571.12/75,810.24 = 19,400.16/x
  3. Step 3: Cross multiply
    50,571.12x = 75,810.24 × 19,400.16
  4. Step 4: Simplify right side
    50,571.12x = 1,470,730,785.64
  5. Step 5: Solve for x
    x = 1,470,730,785.64/50,571.12
  6. Step 6: Final answer
    x = 29,082.42

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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.