Home / 29,925.60-44,899.11-12,821.31

Finding the Fourth Proportional to 29,925.60, 44,899.11 and 12,821.31

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Solution

The fourth proportional to 29,925.60, 44,899.11 and 12,821.31 is: 19,236.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,925.60 : 44,899.11 = 12,821.31 : x
  2. Step 2: Convert to fraction form
    29,925.60/44,899.11 = 12,821.31/x
  3. Step 3: Cross multiply
    29,925.60x = 44,899.11 × 12,821.31
  4. Step 4: Simplify right side
    29,925.60x = 575,665,408.03
  5. Step 5: Solve for x
    x = 575,665,408.03/29,925.60
  6. Step 6: Final answer
    x = 19,236.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.