Home / 55,263.33-82,839.30-31,563.09

Finding the Fourth Proportional to 55,263.33, 82,839.30 and 31,563.09

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Solution

The fourth proportional to 55,263.33, 82,839.30 and 31,563.09 is: 47,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,263.33 : 82,839.30 = 31,563.09 : x
  2. Step 2: Convert to fraction form
    55,263.33/82,839.30 = 31,563.09/x
  3. Step 3: Cross multiply
    55,263.33x = 82,839.30 × 31,563.09
  4. Step 4: Simplify right side
    55,263.33x = 2,614,664,281.44
  5. Step 5: Solve for x
    x = 2,614,664,281.44/55,263.33
  6. Step 6: Final answer
    x = 47,312.83

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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.