Home / 34,618.64-51,950.04-12,431.54

Finding the Fourth Proportional to 34,618.64, 51,950.04 and 12,431.54

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Solution

The fourth proportional to 34,618.64, 51,950.04 and 12,431.54 is: 18,655.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,618.64 : 51,950.04 = 12,431.54 : x
  2. Step 2: Convert to fraction form
    34,618.64/51,950.04 = 12,431.54/x
  3. Step 3: Cross multiply
    34,618.64x = 51,950.04 × 12,431.54
  4. Step 4: Simplify right side
    34,618.64x = 645,819,000.26
  5. Step 5: Solve for x
    x = 645,819,000.26/34,618.64
  6. Step 6: Final answer
    x = 18,655.24

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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.