Home / 34,487.31-51,733.28-13,425.99

Finding the Fourth Proportional to 34,487.31, 51,733.28 and 13,425.99

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Solution

The fourth proportional to 34,487.31, 51,733.28 and 13,425.99 is: 20,139.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,487.31 : 51,733.28 = 13,425.99 : x
  2. Step 2: Convert to fraction form
    34,487.31/51,733.28 = 13,425.99/x
  3. Step 3: Cross multiply
    34,487.31x = 51,733.28 × 13,425.99
  4. Step 4: Simplify right side
    34,487.31x = 694,570,499.95
  5. Step 5: Solve for x
    x = 694,570,499.95/34,487.31
  6. Step 6: Final answer
    x = 20,139.89

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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.