Home / 29,548.78-40,777.86-16,120.49

Finding the Fourth Proportional to 29,548.78, 40,777.86 and 16,120.49

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Solution

The fourth proportional to 29,548.78, 40,777.86 and 16,120.49 is: 22,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,548.78 : 40,777.86 = 16,120.49 : x
  2. Step 2: Convert to fraction form
    29,548.78/40,777.86 = 16,120.49/x
  3. Step 3: Cross multiply
    29,548.78x = 40,777.86 × 16,120.49
  4. Step 4: Simplify right side
    29,548.78x = 657,359,084.35
  5. Step 5: Solve for x
    x = 657,359,084.35/29,548.78
  6. Step 6: Final answer
    x = 22,246.57

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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.