Home / 29,236.16-40,346.40-16,661.12

Finding the Fourth Proportional to 29,236.16, 40,346.40 and 16,661.12

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Solution

The fourth proportional to 29,236.16, 40,346.40 and 16,661.12 is: 22,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,236.16 : 40,346.40 = 16,661.12 : x
  2. Step 2: Convert to fraction form
    29,236.16/40,346.40 = 16,661.12/x
  3. Step 3: Cross multiply
    29,236.16x = 40,346.40 × 16,661.12
  4. Step 4: Simplify right side
    29,236.16x = 672,216,211.97
  5. Step 5: Solve for x
    x = 672,216,211.97/29,236.16
  6. Step 6: Final answer
    x = 22,992.63

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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.