Home / 46,249.83-69,372.31-12,972.19

Finding the Fourth Proportional to 46,249.83, 69,372.31 and 12,972.19

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Solution

The fourth proportional to 46,249.83, 69,372.31 and 12,972.19 is: 19,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,249.83 : 69,372.31 = 12,972.19 : x
  2. Step 2: Convert to fraction form
    46,249.83/69,372.31 = 12,972.19/x
  3. Step 3: Cross multiply
    46,249.83x = 69,372.31 × 12,972.19
  4. Step 4: Simplify right side
    46,249.83x = 899,910,786.06
  5. Step 5: Solve for x
    x = 899,910,786.06/46,249.83
  6. Step 6: Final answer
    x = 19,457.60

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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.