Home / 34,878.75-48,133.17-18,963.24

Finding the Fourth Proportional to 34,878.75, 48,133.17 and 18,963.24

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Solution

The fourth proportional to 34,878.75, 48,133.17 and 18,963.24 is: 26,169.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,878.75 : 48,133.17 = 18,963.24 : x
  2. Step 2: Convert to fraction form
    34,878.75/48,133.17 = 18,963.24/x
  3. Step 3: Cross multiply
    34,878.75x = 48,133.17 × 18,963.24
  4. Step 4: Simplify right side
    34,878.75x = 912,760,854.67
  5. Step 5: Solve for x
    x = 912,760,854.67/34,878.75
  6. Step 6: Final answer
    x = 26,169.54

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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.