Home / 29,110.80-40,172.96-16,535.60

Finding the Fourth Proportional to 29,110.80, 40,172.96 and 16,535.60

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Solution

The fourth proportional to 29,110.80, 40,172.96 and 16,535.60 is: 22,819.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,110.80 : 40,172.96 = 16,535.60 : x
  2. Step 2: Convert to fraction form
    29,110.80/40,172.96 = 16,535.60/x
  3. Step 3: Cross multiply
    29,110.80x = 40,172.96 × 16,535.60
  4. Step 4: Simplify right side
    29,110.80x = 664,283,997.38
  5. Step 5: Solve for x
    x = 664,283,997.38/29,110.80
  6. Step 6: Final answer
    x = 22,819.16

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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.