Home / 29,871.96-41,220.63-16,443.06

Finding the Fourth Proportional to 29,871.96, 41,220.63 and 16,443.06

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Solution

The fourth proportional to 29,871.96, 41,220.63 and 16,443.06 is: 22,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,871.96 : 41,220.63 = 16,443.06 : x
  2. Step 2: Convert to fraction form
    29,871.96/41,220.63 = 16,443.06/x
  3. Step 3: Cross multiply
    29,871.96x = 41,220.63 × 16,443.06
  4. Step 4: Simplify right side
    29,871.96x = 677,793,292.33
  5. Step 5: Solve for x
    x = 677,793,292.33/29,871.96
  6. Step 6: Final answer
    x = 22,689.95

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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.