Home / 48,431.89-66,836.64-29,311.44

Finding the Fourth Proportional to 48,431.89, 66,836.64 and 29,311.44

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Solution

The fourth proportional to 48,431.89, 66,836.64 and 29,311.44 is: 40,450.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,431.89 : 66,836.64 = 29,311.44 : x
  2. Step 2: Convert to fraction form
    48,431.89/66,836.64 = 29,311.44/x
  3. Step 3: Cross multiply
    48,431.89x = 66,836.64 × 29,311.44
  4. Step 4: Simplify right side
    48,431.89x = 1,959,078,163.16
  5. Step 5: Solve for x
    x = 1,959,078,163.16/48,431.89
  6. Step 6: Final answer
    x = 40,450.17

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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.