Home / 34,679.61-52,021.58-13,900.41

Finding the Fourth Proportional to 34,679.61, 52,021.58 and 13,900.41

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Solution

The fourth proportional to 34,679.61, 52,021.58 and 13,900.41 is: 20,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,679.61 : 52,021.58 = 13,900.41 : x
  2. Step 2: Convert to fraction form
    34,679.61/52,021.58 = 13,900.41/x
  3. Step 3: Cross multiply
    34,679.61x = 52,021.58 × 13,900.41
  4. Step 4: Simplify right side
    34,679.61x = 723,121,221.35
  5. Step 5: Solve for x
    x = 723,121,221.35/34,679.61
  6. Step 6: Final answer
    x = 20,851.48

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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.