Home / 34,117.20-51,163.65-15,406.20

Finding the Fourth Proportional to 34,117.20, 51,163.65 and 15,406.20

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Solution

The fourth proportional to 34,117.20, 51,163.65 and 15,406.20 is: 23,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,117.20 : 51,163.65 = 15,406.20 : x
  2. Step 2: Convert to fraction form
    34,117.20/51,163.65 = 15,406.20/x
  3. Step 3: Cross multiply
    34,117.20x = 51,163.65 × 15,406.20
  4. Step 4: Simplify right side
    34,117.20x = 788,237,424.63
  5. Step 5: Solve for x
    x = 788,237,424.63/34,117.20
  6. Step 6: Final answer
    x = 23,103.81

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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.