Home / 34,878.91-48,133.20-18,963.37

Finding the Fourth Proportional to 34,878.91, 48,133.20 and 18,963.37

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Solution

The fourth proportional to 34,878.91, 48,133.20 and 18,963.37 is: 26,169.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,878.91 : 48,133.20 = 18,963.37 : x
  2. Step 2: Convert to fraction form
    34,878.91/48,133.20 = 18,963.37/x
  3. Step 3: Cross multiply
    34,878.91x = 48,133.20 × 18,963.37
  4. Step 4: Simplify right side
    34,878.91x = 912,767,680.88
  5. Step 5: Solve for x
    x = 912,767,680.88/34,878.91
  6. Step 6: Final answer
    x = 26,169.62

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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.