Home / 34,390.14-51,580.64-15,649.98

Finding the Fourth Proportional to 34,390.14, 51,580.64 and 15,649.98

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Solution

The fourth proportional to 34,390.14, 51,580.64 and 15,649.98 is: 23,472.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,390.14 : 51,580.64 = 15,649.98 : x
  2. Step 2: Convert to fraction form
    34,390.14/51,580.64 = 15,649.98/x
  3. Step 3: Cross multiply
    34,390.14x = 51,580.64 × 15,649.98
  4. Step 4: Simplify right side
    34,390.14x = 807,235,906.14
  5. Step 5: Solve for x
    x = 807,235,906.14/34,390.14
  6. Step 6: Final answer
    x = 23,472.89

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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.