Home / 34,878.64-48,132.64-18,963.04

Finding the Fourth Proportional to 34,878.64, 48,132.64 and 18,963.04

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Solution

The fourth proportional to 34,878.64, 48,132.64 and 18,963.04 is: 26,169.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,878.64 : 48,132.64 = 18,963.04 : x
  2. Step 2: Convert to fraction form
    34,878.64/48,132.64 = 18,963.04/x
  3. Step 3: Cross multiply
    34,878.64x = 48,132.64 × 18,963.04
  4. Step 4: Simplify right side
    34,878.64x = 912,741,177.63
  5. Step 5: Solve for x
    x = 912,741,177.63/34,878.64
  6. Step 6: Final answer
    x = 26,169.06

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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.