Home / 29,779.83-41,083.07-18,446.31

Finding the Fourth Proportional to 29,779.83, 41,083.07 and 18,446.31

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Solution

The fourth proportional to 29,779.83, 41,083.07 and 18,446.31 is: 25,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,779.83 : 41,083.07 = 18,446.31 : x
  2. Step 2: Convert to fraction form
    29,779.83/41,083.07 = 18,446.31/x
  3. Step 3: Cross multiply
    29,779.83x = 41,083.07 × 18,446.31
  4. Step 4: Simplify right side
    29,779.83x = 757,830,952.74
  5. Step 5: Solve for x
    x = 757,830,952.74/29,779.83
  6. Step 6: Final answer
    x = 25,447.79

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1.5x scale

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.