Home / 38,666.30-57,926.55-19,882.40

Finding the Fourth Proportional to 38,666.30, 57,926.55 and 19,882.40

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Solution

The fourth proportional to 38,666.30, 57,926.55 and 19,882.40 is: 29,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,666.30 : 57,926.55 = 19,882.40 : x
  2. Step 2: Convert to fraction form
    38,666.30/57,926.55 = 19,882.40/x
  3. Step 3: Cross multiply
    38,666.30x = 57,926.55 × 19,882.40
  4. Step 4: Simplify right side
    38,666.30x = 1,151,718,837.72
  5. Step 5: Solve for x
    x = 1,151,718,837.72/38,666.30
  6. Step 6: Final answer
    x = 29,786.11

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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.