Home / 34,309.40-51,442.20-14,577.80

Finding the Fourth Proportional to 34,309.40, 51,442.20 and 14,577.80

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Solution

The fourth proportional to 34,309.40, 51,442.20 and 14,577.80 is: 21,857.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,309.40 : 51,442.20 = 14,577.80 : x
  2. Step 2: Convert to fraction form
    34,309.40/51,442.20 = 14,577.80/x
  3. Step 3: Cross multiply
    34,309.40x = 51,442.20 × 14,577.80
  4. Step 4: Simplify right side
    34,309.40x = 749,914,103.16
  5. Step 5: Solve for x
    x = 749,914,103.16/34,309.40
  6. Step 6: Final answer
    x = 21,857.39

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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.