Home / 41,288.86-61,868.76-30,144.34

Finding the Fourth Proportional to 41,288.86, 61,868.76 and 30,144.34

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Solution

The fourth proportional to 41,288.86, 61,868.76 and 30,144.34 is: 45,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,288.86 : 61,868.76 = 30,144.34 : x
  2. Step 2: Convert to fraction form
    41,288.86/61,868.76 = 30,144.34/x
  3. Step 3: Cross multiply
    41,288.86x = 61,868.76 × 30,144.34
  4. Step 4: Simplify right side
    41,288.86x = 1,864,992,936.82
  5. Step 5: Solve for x
    x = 1,864,992,936.82/41,288.86
  6. Step 6: Final answer
    x = 45,169.40

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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.