Home / 29,669.90-40,943.46-16,240.88

Finding the Fourth Proportional to 29,669.90, 40,943.46 and 16,240.88

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Solution

The fourth proportional to 29,669.90, 40,943.46 and 16,240.88 is: 22,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,669.90 : 40,943.46 = 16,240.88 : x
  2. Step 2: Convert to fraction form
    29,669.90/40,943.46 = 16,240.88/x
  3. Step 3: Cross multiply
    29,669.90x = 40,943.46 × 16,240.88
  4. Step 4: Simplify right side
    29,669.90x = 664,957,820.64
  5. Step 5: Solve for x
    x = 664,957,820.64/29,669.90
  6. Step 6: Final answer
    x = 22,411.87

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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.