Home / 29,728.78-44,327.38-28,912.30

Finding the Fourth Proportional to 29,728.78, 44,327.38 and 28,912.30

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Solution

The fourth proportional to 29,728.78, 44,327.38 and 28,912.30 is: 43,109.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,728.78 : 44,327.38 = 28,912.30 : x
  2. Step 2: Convert to fraction form
    29,728.78/44,327.38 = 28,912.30/x
  3. Step 3: Cross multiply
    29,728.78x = 44,327.38 × 28,912.30
  4. Step 4: Simplify right side
    29,728.78x = 1,281,606,508.77
  5. Step 5: Solve for x
    x = 1,281,606,508.77/29,728.78
  6. Step 6: Final answer
    x = 43,109.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.