Home / 29,689.24-40,970.34-16,942.18

Finding the Fourth Proportional to 29,689.24, 40,970.34 and 16,942.18

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Solution

The fourth proportional to 29,689.24, 40,970.34 and 16,942.18 is: 23,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,689.24 : 40,970.34 = 16,942.18 : x
  2. Step 2: Convert to fraction form
    29,689.24/40,970.34 = 16,942.18/x
  3. Step 3: Cross multiply
    29,689.24x = 40,970.34 × 16,942.18
  4. Step 4: Simplify right side
    29,689.24x = 694,126,874.94
  5. Step 5: Solve for x
    x = 694,126,874.94/29,689.24
  6. Step 6: Final answer
    x = 23,379.75

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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.