Home / 40,790.89-61,188.62-11,208.07

Finding the Fourth Proportional to 40,790.89, 61,188.62 and 11,208.07

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Solution

The fourth proportional to 40,790.89, 61,188.62 and 11,208.07 is: 16,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,790.89 : 61,188.62 = 11,208.07 : x
  2. Step 2: Convert to fraction form
    40,790.89/61,188.62 = 11,208.07/x
  3. Step 3: Cross multiply
    40,790.89x = 61,188.62 × 11,208.07
  4. Step 4: Simplify right side
    40,790.89x = 685,806,356.61
  5. Step 5: Solve for x
    x = 685,806,356.61/40,790.89
  6. Step 6: Final answer
    x = 16,812.73

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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.