Home / 35,589.18-49,109.31-19,671.06

Finding the Fourth Proportional to 35,589.18, 49,109.31 and 19,671.06

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Solution

The fourth proportional to 35,589.18, 49,109.31 and 19,671.06 is: 27,143.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,589.18 : 49,109.31 = 19,671.06 : x
  2. Step 2: Convert to fraction form
    35,589.18/49,109.31 = 19,671.06/x
  3. Step 3: Cross multiply
    35,589.18x = 49,109.31 × 19,671.06
  4. Step 4: Simplify right side
    35,589.18x = 966,032,183.57
  5. Step 5: Solve for x
    x = 966,032,183.57/35,589.18
  6. Step 6: Final answer
    x = 27,143.99

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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.