Home / 34,478.54-51,717.82-9,517.76

Finding the Fourth Proportional to 34,478.54, 51,717.82 and 9,517.76

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Solution

The fourth proportional to 34,478.54, 51,717.82 and 9,517.76 is: 14,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,478.54 : 51,717.82 = 9,517.76 : x
  2. Step 2: Convert to fraction form
    34,478.54/51,717.82 = 9,517.76/x
  3. Step 3: Cross multiply
    34,478.54x = 51,717.82 × 9,517.76
  4. Step 4: Simplify right side
    34,478.54x = 492,237,798.48
  5. Step 5: Solve for x
    x = 492,237,798.48/34,478.54
  6. Step 6: Final answer
    x = 14,276.64

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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.