Home / 35,404.14-48,849.87-20,491.50

Finding the Fourth Proportional to 35,404.14, 48,849.87 and 20,491.50

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Solution

The fourth proportional to 35,404.14, 48,849.87 and 20,491.50 is: 28,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,404.14 : 48,849.87 = 20,491.50 : x
  2. Step 2: Convert to fraction form
    35,404.14/48,849.87 = 20,491.50/x
  3. Step 3: Cross multiply
    35,404.14x = 48,849.87 × 20,491.50
  4. Step 4: Simplify right side
    35,404.14x = 1,001,007,111.11
  5. Step 5: Solve for x
    x = 1,001,007,111.11/35,404.14
  6. Step 6: Final answer
    x = 28,273.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.