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Finding the Fourth Proportional to 22,930.08, 34,343.76 and 19,930.08

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Solution

The fourth proportional to 22,930.08, 34,343.76 and 19,930.08 is: 29,850.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930.08 : 34,343.76 = 19,930.08 : x
  2. Step 2: Convert to fraction form
    22,930.08/34,343.76 = 19,930.08/x
  3. Step 3: Cross multiply
    22,930.08x = 34,343.76 × 19,930.08
  4. Step 4: Simplify right side
    22,930.08x = 684,473,884.30
  5. Step 5: Solve for x
    x = 684,473,884.30/22,930.08
  6. Step 6: Final answer
    x = 29,850.48

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1.5x scale

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.