Home / 30,177.12-41,644.70-18,248.43

Finding the Fourth Proportional to 30,177.12, 41,644.70 and 18,248.43

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Solution

The fourth proportional to 30,177.12, 41,644.70 and 18,248.43 is: 25,183.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.12 : 41,644.70 = 18,248.43 : x
  2. Step 2: Convert to fraction form
    30,177.12/41,644.70 = 18,248.43/x
  3. Step 3: Cross multiply
    30,177.12x = 41,644.70 × 18,248.43
  4. Step 4: Simplify right side
    30,177.12x = 759,950,392.82
  5. Step 5: Solve for x
    x = 759,950,392.82/30,177.12
  6. Step 6: Final answer
    x = 25,183.00

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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.