Home / 50,400.36-75,533.76-20,801.16

Finding the Fourth Proportional to 50,400.36, 75,533.76 and 20,801.16

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Solution

The fourth proportional to 50,400.36, 75,533.76 and 20,801.16 is: 31,174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,400.36 : 75,533.76 = 20,801.16 : x
  2. Step 2: Convert to fraction form
    50,400.36/75,533.76 = 20,801.16/x
  3. Step 3: Cross multiply
    50,400.36x = 75,533.76 × 20,801.16
  4. Step 4: Simplify right side
    50,400.36x = 1,571,189,827.16
  5. Step 5: Solve for x
    x = 1,571,189,827.16/50,400.36
  6. Step 6: Final answer
    x = 31,174.18

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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.