Home / 30,105.86-41,542.16-17,359.52

Finding the Fourth Proportional to 30,105.86, 41,542.16 and 17,359.52

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Solution

The fourth proportional to 30,105.86, 41,542.16 and 17,359.52 is: 23,953.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,105.86 : 41,542.16 = 17,359.52 : x
  2. Step 2: Convert to fraction form
    30,105.86/41,542.16 = 17,359.52/x
  3. Step 3: Cross multiply
    30,105.86x = 41,542.16 × 17,359.52
  4. Step 4: Simplify right side
    30,105.86x = 721,151,974.42
  5. Step 5: Solve for x
    x = 721,151,974.42/30,105.86
  6. Step 6: Final answer
    x = 23,953.87

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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.