Home / 29,548.63-40,777.20-16,120.16

Finding the Fourth Proportional to 29,548.63, 40,777.20 and 16,120.16

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Solution

The fourth proportional to 29,548.63, 40,777.20 and 16,120.16 is: 22,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,548.63 : 40,777.20 = 16,120.16 : x
  2. Step 2: Convert to fraction form
    29,548.63/40,777.20 = 16,120.16/x
  3. Step 3: Cross multiply
    29,548.63x = 40,777.20 × 16,120.16
  4. Step 4: Simplify right side
    29,548.63x = 657,335,110.45
  5. Step 5: Solve for x
    x = 657,335,110.45/29,548.63
  6. Step 6: Final answer
    x = 22,245.88

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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.