Home / 29,049.98-40,087.71-16,128.45

Finding the Fourth Proportional to 29,049.98, 40,087.71 and 16,128.45

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Solution

The fourth proportional to 29,049.98, 40,087.71 and 16,128.45 is: 22,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,049.98 : 40,087.71 = 16,128.45 : x
  2. Step 2: Convert to fraction form
    29,049.98/40,087.71 = 16,128.45/x
  3. Step 3: Cross multiply
    29,049.98x = 40,087.71 × 16,128.45
  4. Step 4: Simplify right side
    29,049.98x = 646,552,626.35
  5. Step 5: Solve for x
    x = 646,552,626.35/29,049.98
  6. Step 6: Final answer
    x = 22,256.56

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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.