Home / 38,384.91-57,631.19-19,678.37

Finding the Fourth Proportional to 38,384.91, 57,631.19 and 19,678.37

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Solution

The fourth proportional to 38,384.91, 57,631.19 and 19,678.37 is: 29,545.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,384.91 : 57,631.19 = 19,678.37 : x
  2. Step 2: Convert to fraction form
    38,384.91/57,631.19 = 19,678.37/x
  3. Step 3: Cross multiply
    38,384.91x = 57,631.19 × 19,678.37
  4. Step 4: Simplify right side
    38,384.91x = 1,134,087,493.81
  5. Step 5: Solve for x
    x = 1,134,087,493.81/38,384.91
  6. Step 6: Final answer
    x = 29,545.14

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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.