Home / 34,437.80-51,636.63-13,353.21

Finding the Fourth Proportional to 34,437.80, 51,636.63 and 13,353.21

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Solution

The fourth proportional to 34,437.80, 51,636.63 and 13,353.21 is: 20,022.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,437.80 : 51,636.63 = 13,353.21 : x
  2. Step 2: Convert to fraction form
    34,437.80/51,636.63 = 13,353.21/x
  3. Step 3: Cross multiply
    34,437.80x = 51,636.63 × 13,353.21
  4. Step 4: Simplify right side
    34,437.80x = 689,514,764.08
  5. Step 5: Solve for x
    x = 689,514,764.08/34,437.80
  6. Step 6: Final answer
    x = 20,022.03

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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.