Home / 34,021.40-51,031.74-10,648.04

Finding the Fourth Proportional to 34,021.40, 51,031.74 and 10,648.04

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Solution

The fourth proportional to 34,021.40, 51,031.74 and 10,648.04 is: 15,971.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,021.40 : 51,031.74 = 10,648.04 : x
  2. Step 2: Convert to fraction form
    34,021.40/51,031.74 = 10,648.04/x
  3. Step 3: Cross multiply
    34,021.40x = 51,031.74 × 10,648.04
  4. Step 4: Simplify right side
    34,021.40x = 543,388,008.79
  5. Step 5: Solve for x
    x = 543,388,008.79/34,021.40
  6. Step 6: Final answer
    x = 15,971.95

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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.