Home / 29,870.52-41,220.41-16,441.78

Finding the Fourth Proportional to 29,870.52, 41,220.41 and 16,441.78

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Solution

The fourth proportional to 29,870.52, 41,220.41 and 16,441.78 is: 22,689.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,870.52 : 41,220.41 = 16,441.78 : x
  2. Step 2: Convert to fraction form
    29,870.52/41,220.41 = 16,441.78/x
  3. Step 3: Cross multiply
    29,870.52x = 41,220.41 × 16,441.78
  4. Step 4: Simplify right side
    29,870.52x = 677,736,912.73
  5. Step 5: Solve for x
    x = 677,736,912.73/29,870.52
  6. Step 6: Final answer
    x = 22,689.16

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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.