Home / 34,491.82-51,747.28-13,729.90

Finding the Fourth Proportional to 34,491.82, 51,747.28 and 13,729.90

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Solution

The fourth proportional to 34,491.82, 51,747.28 and 13,729.90 is: 20,598.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,491.82 : 51,747.28 = 13,729.90 : x
  2. Step 2: Convert to fraction form
    34,491.82/51,747.28 = 13,729.90/x
  3. Step 3: Cross multiply
    34,491.82x = 51,747.28 × 13,729.90
  4. Step 4: Simplify right side
    34,491.82x = 710,484,979.67
  5. Step 5: Solve for x
    x = 710,484,979.67/34,491.82
  6. Step 6: Final answer
    x = 20,598.65

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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.