Home / 34,309.26-51,456.69-9,679.50

Finding the Fourth Proportional to 34,309.26, 51,456.69 and 9,679.50

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Solution

The fourth proportional to 34,309.26, 51,456.69 and 9,679.50 is: 14,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,309.26 : 51,456.69 = 9,679.50 : x
  2. Step 2: Convert to fraction form
    34,309.26/51,456.69 = 9,679.50/x
  3. Step 3: Cross multiply
    34,309.26x = 51,456.69 × 9,679.50
  4. Step 4: Simplify right side
    34,309.26x = 498,075,030.86
  5. Step 5: Solve for x
    x = 498,075,030.86/34,309.26
  6. Step 6: Final answer
    x = 14,517.22

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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.