Home / 57,850.21-86,753.41-31,540.63

Finding the Fourth Proportional to 57,850.21, 86,753.41 and 31,540.63

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Solution

The fourth proportional to 57,850.21, 86,753.41 and 31,540.63 is: 47,299.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,850.21 : 86,753.41 = 31,540.63 : x
  2. Step 2: Convert to fraction form
    57,850.21/86,753.41 = 31,540.63/x
  3. Step 3: Cross multiply
    57,850.21x = 86,753.41 × 31,540.63
  4. Step 4: Simplify right side
    57,850.21x = 2,736,257,206.05
  5. Step 5: Solve for x
    x = 2,736,257,206.05/57,850.21
  6. Step 6: Final answer
    x = 47,299.00

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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.