Home / 34,806.33-47,979.36-21,352.62

Finding the Fourth Proportional to 34,806.33, 47,979.36 and 21,352.62

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Solution

The fourth proportional to 34,806.33, 47,979.36 and 21,352.62 is: 29,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,806.33 : 47,979.36 = 21,352.62 : x
  2. Step 2: Convert to fraction form
    34,806.33/47,979.36 = 21,352.62/x
  3. Step 3: Cross multiply
    34,806.33x = 47,979.36 × 21,352.62
  4. Step 4: Simplify right side
    34,806.33x = 1,024,485,041.92
  5. Step 5: Solve for x
    x = 1,024,485,041.92/34,806.33
  6. Step 6: Final answer
    x = 29,433.87

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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.