Home / 35,849.12-53,795.28-12,491.96

Finding the Fourth Proportional to 35,849.12, 53,795.28 and 12,491.96

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Solution

The fourth proportional to 35,849.12, 53,795.28 and 12,491.96 is: 18,745.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,849.12 : 53,795.28 = 12,491.96 : x
  2. Step 2: Convert to fraction form
    35,849.12/53,795.28 = 12,491.96/x
  3. Step 3: Cross multiply
    35,849.12x = 53,795.28 × 12,491.96
  4. Step 4: Simplify right side
    35,849.12x = 672,008,485.95
  5. Step 5: Solve for x
    x = 672,008,485.95/35,849.12
  6. Step 6: Final answer
    x = 18,745.47

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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.