Home / 29,490.30-40,696.20-16,743.38

Finding the Fourth Proportional to 29,490.30, 40,696.20 and 16,743.38

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Solution

The fourth proportional to 29,490.30, 40,696.20 and 16,743.38 is: 23,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,490.30 : 40,696.20 = 16,743.38 : x
  2. Step 2: Convert to fraction form
    29,490.30/40,696.20 = 16,743.38/x
  3. Step 3: Cross multiply
    29,490.30x = 40,696.20 × 16,743.38
  4. Step 4: Simplify right side
    29,490.30x = 681,391,941.16
  5. Step 5: Solve for x
    x = 681,391,941.16/29,490.30
  6. Step 6: Final answer
    x = 23,105.63

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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.