Home / 29,408.10-40,583.46-15,979.46

Finding the Fourth Proportional to 29,408.10, 40,583.46 and 15,979.46

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Solution

The fourth proportional to 29,408.10, 40,583.46 and 15,979.46 is: 22,051.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,408.10 : 40,583.46 = 15,979.46 : x
  2. Step 2: Convert to fraction form
    29,408.10/40,583.46 = 15,979.46/x
  3. Step 3: Cross multiply
    29,408.10x = 40,583.46 × 15,979.46
  4. Step 4: Simplify right side
    29,408.10x = 648,501,775.73
  5. Step 5: Solve for x
    x = 648,501,775.73/29,408.10
  6. Step 6: Final answer
    x = 22,051.81

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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.