Home / 29,445.30-40,635.57-16,872.48

Finding the Fourth Proportional to 29,445.30, 40,635.57 and 16,872.48

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Solution

The fourth proportional to 29,445.30, 40,635.57 and 16,872.48 is: 23,284.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,445.30 : 40,635.57 = 16,872.48 : x
  2. Step 2: Convert to fraction form
    29,445.30/40,635.57 = 16,872.48/x
  3. Step 3: Cross multiply
    29,445.30x = 40,635.57 × 16,872.48
  4. Step 4: Simplify right side
    29,445.30x = 685,622,842.11
  5. Step 5: Solve for x
    x = 685,622,842.11/29,445.30
  6. Step 6: Final answer
    x = 23,284.63

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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.