Home / 29,549.82-40,778.49-16,120.95

Finding the Fourth Proportional to 29,549.82, 40,778.49 and 16,120.95

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Solution

The fourth proportional to 29,549.82, 40,778.49 and 16,120.95 is: 22,246.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,549.82 : 40,778.49 = 16,120.95 : x
  2. Step 2: Convert to fraction form
    29,549.82/40,778.49 = 16,120.95/x
  3. Step 3: Cross multiply
    29,549.82x = 40,778.49 × 16,120.95
  4. Step 4: Simplify right side
    29,549.82x = 657,387,998.37
  5. Step 5: Solve for x
    x = 657,387,998.37/29,549.82
  6. Step 6: Final answer
    x = 22,246.77

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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.