Home / 30,285.27-41,791.59-18,954.29

Finding the Fourth Proportional to 30,285.27, 41,791.59 and 18,954.29

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Solution

The fourth proportional to 30,285.27, 41,791.59 and 18,954.29 is: 26,155.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285.27 : 41,791.59 = 18,954.29 : x
  2. Step 2: Convert to fraction form
    30,285.27/41,791.59 = 18,954.29/x
  3. Step 3: Cross multiply
    30,285.27x = 41,791.59 × 18,954.29
  4. Step 4: Simplify right side
    30,285.27x = 792,129,916.42
  5. Step 5: Solve for x
    x = 792,129,916.42/30,285.27
  6. Step 6: Final answer
    x = 26,155.62

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1.5x scale

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.