Home / 50,533.14-75,767.28-20,971.38

Finding the Fourth Proportional to 50,533.14, 75,767.28 and 20,971.38

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Solution

The fourth proportional to 50,533.14, 75,767.28 and 20,971.38 is: 31,443.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,533.14 : 75,767.28 = 20,971.38 : x
  2. Step 2: Convert to fraction form
    50,533.14/75,767.28 = 20,971.38/x
  3. Step 3: Cross multiply
    50,533.14x = 75,767.28 × 20,971.38
  4. Step 4: Simplify right side
    50,533.14x = 1,588,944,420.45
  5. Step 5: Solve for x
    x = 1,588,944,420.45/50,533.14
  6. Step 6: Final answer
    x = 31,443.61

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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.