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Finding the Fourth Proportional to 39,622, 54,678.36 and 23,707.12

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Solution

The fourth proportional to 39,622, 54,678.36 and 23,707.12 is: 32,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,622 : 54,678.36 = 23,707.12 : x
  2. Step 2: Convert to fraction form
    39,622/54,678.36 = 23,707.12/x
  3. Step 3: Cross multiply
    39,622x = 54,678.36 × 23,707.12
  4. Step 4: Simplify right side
    39,622x = 1,296,266,441.92
  5. Step 5: Solve for x
    x = 1,296,266,441.92/39,622
  6. Step 6: Final answer
    x = 32,715.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.