Home / 50,739.25-76,109.20-13,299.00

Finding the Fourth Proportional to 50,739.25, 76,109.20 and 13,299.00

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Solution

The fourth proportional to 50,739.25, 76,109.20 and 13,299.00 is: 19,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,739.25 : 76,109.20 = 13,299.00 : x
  2. Step 2: Convert to fraction form
    50,739.25/76,109.20 = 13,299.00/x
  3. Step 3: Cross multiply
    50,739.25x = 76,109.20 × 13,299.00
  4. Step 4: Simplify right side
    50,739.25x = 1,012,176,246.95
  5. Step 5: Solve for x
    x = 1,012,176,246.95/50,739.25
  6. Step 6: Final answer
    x = 19,948.58

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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.