Home / 29,678.23-40,954.40-16,246.91

Finding the Fourth Proportional to 29,678.23, 40,954.40 and 16,246.91

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Solution

The fourth proportional to 29,678.23, 40,954.40 and 16,246.91 is: 22,419.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,678.23 : 40,954.40 = 16,246.91 : x
  2. Step 2: Convert to fraction form
    29,678.23/40,954.40 = 16,246.91/x
  3. Step 3: Cross multiply
    29,678.23x = 40,954.40 × 16,246.91
  4. Step 4: Simplify right side
    29,678.23x = 665,382,450.90
  5. Step 5: Solve for x
    x = 665,382,450.90/29,678.23
  6. Step 6: Final answer
    x = 22,419.88

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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.