Home / 34,279.76-51,425.40-10,913.36

Finding the Fourth Proportional to 34,279.76, 51,425.40 and 10,913.36

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Solution

The fourth proportional to 34,279.76, 51,425.40 and 10,913.36 is: 16,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,279.76 : 51,425.40 = 10,913.36 : x
  2. Step 2: Convert to fraction form
    34,279.76/51,425.40 = 10,913.36/x
  3. Step 3: Cross multiply
    34,279.76x = 51,425.40 × 10,913.36
  4. Step 4: Simplify right side
    34,279.76x = 561,223,903.34
  5. Step 5: Solve for x
    x = 561,223,903.34/34,279.76
  6. Step 6: Final answer
    x = 16,371.87

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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.