Home / 34,436.80-51,635.13-13,352.21

Finding the Fourth Proportional to 34,436.80, 51,635.13 and 13,352.21

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Solution

The fourth proportional to 34,436.80, 51,635.13 and 13,352.21 is: 20,020.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,436.80 : 51,635.13 = 13,352.21 : x
  2. Step 2: Convert to fraction form
    34,436.80/51,635.13 = 13,352.21/x
  3. Step 3: Cross multiply
    34,436.80x = 51,635.13 × 13,352.21
  4. Step 4: Simplify right side
    34,436.80x = 689,442,985.63
  5. Step 5: Solve for x
    x = 689,442,985.63/34,436.80
  6. Step 6: Final answer
    x = 20,020.53

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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.