Home / 30,945.18-46,421.40-17,797.68

Finding the Fourth Proportional to 30,945.18, 46,421.40 and 17,797.68

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Solution

The fourth proportional to 30,945.18, 46,421.40 and 17,797.68 is: 26,698.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945.18 : 46,421.40 = 17,797.68 : x
  2. Step 2: Convert to fraction form
    30,945.18/46,421.40 = 17,797.68/x
  3. Step 3: Cross multiply
    30,945.18x = 46,421.40 × 17,797.68
  4. Step 4: Simplify right side
    30,945.18x = 826,193,222.35
  5. Step 5: Solve for x
    x = 826,193,222.35/30,945.18
  6. Step 6: Final answer
    x = 26,698.61

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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.