Home / 82,958.64-124,438.45-20,629.14

Finding the Fourth Proportional to 82,958.64, 124,438.45 and 20,629.14

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Solution

The fourth proportional to 82,958.64, 124,438.45 and 20,629.14 is: 30,943.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,958.64 : 124,438.45 = 20,629.14 : x
  2. Step 2: Convert to fraction form
    82,958.64/124,438.45 = 20,629.14/x
  3. Step 3: Cross multiply
    82,958.64x = 124,438.45 × 20,629.14
  4. Step 4: Simplify right side
    82,958.64x = 2,567,058,206.43
  5. Step 5: Solve for x
    x = 2,567,058,206.43/82,958.64
  6. Step 6: Final answer
    x = 30,943.83

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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.