Home / 40,661.29-60,985.77-11,081.49

Finding the Fourth Proportional to 40,661.29, 60,985.77 and 11,081.49

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Solution

The fourth proportional to 40,661.29, 60,985.77 and 11,081.49 is: 16,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,661.29 : 60,985.77 = 11,081.49 : x
  2. Step 2: Convert to fraction form
    40,661.29/60,985.77 = 11,081.49/x
  3. Step 3: Cross multiply
    40,661.29x = 60,985.77 × 11,081.49
  4. Step 4: Simplify right side
    40,661.29x = 675,813,200.40
  5. Step 5: Solve for x
    x = 675,813,200.40/40,661.29
  6. Step 6: Final answer
    x = 16,620.55

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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.