Home / 48,172.12-66,455.24-31,181.83

Finding the Fourth Proportional to 48,172.12, 66,455.24 and 31,181.83

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Solution

The fourth proportional to 48,172.12, 66,455.24 and 31,181.83 is: 43,016.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,172.12 : 66,455.24 = 31,181.83 : x
  2. Step 2: Convert to fraction form
    48,172.12/66,455.24 = 31,181.83/x
  3. Step 3: Cross multiply
    48,172.12x = 66,455.24 × 31,181.83
  4. Step 4: Simplify right side
    48,172.12x = 2,072,195,674.24
  5. Step 5: Solve for x
    x = 2,072,195,674.24/48,172.12
  6. Step 6: Final answer
    x = 43,016.50

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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.