Home / 38,425.93-57,647.43-11,775.62

Finding the Fourth Proportional to 38,425.93, 57,647.43 and 11,775.62

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Solution

The fourth proportional to 38,425.93, 57,647.43 and 11,775.62 is: 17,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,425.93 : 57,647.43 = 11,775.62 : x
  2. Step 2: Convert to fraction form
    38,425.93/57,647.43 = 11,775.62/x
  3. Step 3: Cross multiply
    38,425.93x = 57,647.43 × 11,775.62
  4. Step 4: Simplify right side
    38,425.93x = 678,834,229.66
  5. Step 5: Solve for x
    x = 678,834,229.66/38,425.93
  6. Step 6: Final answer
    x = 17,666.05

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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.