Home / 45,857.31-68,785.97-30,271.29

Finding the Fourth Proportional to 45,857.31, 68,785.97 and 30,271.29

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Solution

The fourth proportional to 45,857.31, 68,785.97 and 30,271.29 is: 45,406.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,857.31 : 68,785.97 = 30,271.29 : x
  2. Step 2: Convert to fraction form
    45,857.31/68,785.97 = 30,271.29/x
  3. Step 3: Cross multiply
    45,857.31x = 68,785.97 × 30,271.29
  4. Step 4: Simplify right side
    45,857.31x = 2,082,239,894.44
  5. Step 5: Solve for x
    x = 2,082,239,894.44/45,857.31
  6. Step 6: Final answer
    x = 45,406.94

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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.