Home / 29,790.40-41,097.72-18,456.88

Finding the Fourth Proportional to 29,790.40, 41,097.72 and 18,456.88

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Solution

The fourth proportional to 29,790.40, 41,097.72 and 18,456.88 is: 25,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,790.40 : 41,097.72 = 18,456.88 : x
  2. Step 2: Convert to fraction form
    29,790.40/41,097.72 = 18,456.88/x
  3. Step 3: Cross multiply
    29,790.40x = 41,097.72 × 18,456.88
  4. Step 4: Simplify right side
    29,790.40x = 758,535,686.31
  5. Step 5: Solve for x
    x = 758,535,686.31/29,790.40
  6. Step 6: Final answer
    x = 25,462.42

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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.