Home / 38,173.98-57,240.17-13,211.96

Finding the Fourth Proportional to 38,173.98, 57,240.17 and 13,211.96

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Solution

The fourth proportional to 38,173.98, 57,240.17 and 13,211.96 is: 19,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,173.98 : 57,240.17 = 13,211.96 : x
  2. Step 2: Convert to fraction form
    38,173.98/57,240.17 = 13,211.96/x
  3. Step 3: Cross multiply
    38,173.98x = 57,240.17 × 13,211.96
  4. Step 4: Simplify right side
    38,173.98x = 756,254,855.69
  5. Step 5: Solve for x
    x = 756,254,855.69/38,173.98
  6. Step 6: Final answer
    x = 19,810.74

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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.