Home / 29,790.60-41,111.12-16,178.68

Finding the Fourth Proportional to 29,790.60, 41,111.12 and 16,178.68

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Solution

The fourth proportional to 29,790.60, 41,111.12 and 16,178.68 is: 22,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,790.60 : 41,111.12 = 16,178.68 : x
  2. Step 2: Convert to fraction form
    29,790.60/41,111.12 = 16,178.68/x
  3. Step 3: Cross multiply
    29,790.60x = 41,111.12 × 16,178.68
  4. Step 4: Simplify right side
    29,790.60x = 665,123,654.92
  5. Step 5: Solve for x
    x = 665,123,654.92/29,790.60
  6. Step 6: Final answer
    x = 22,326.63

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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.