Home / 34,006.54-51,009.76-11,819.92

Finding the Fourth Proportional to 34,006.54, 51,009.76 and 11,819.92

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Solution

The fourth proportional to 34,006.54, 51,009.76 and 11,819.92 is: 17,729.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,006.54 : 51,009.76 = 11,819.92 : x
  2. Step 2: Convert to fraction form
    34,006.54/51,009.76 = 11,819.92/x
  3. Step 3: Cross multiply
    34,006.54x = 51,009.76 × 11,819.92
  4. Step 4: Simplify right side
    34,006.54x = 602,931,282.42
  5. Step 5: Solve for x
    x = 602,931,282.42/34,006.54
  6. Step 6: Final answer
    x = 17,729.86

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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.