Home / 40,391.67-60,582.86-10,811.81

Finding the Fourth Proportional to 40,391.67, 60,582.86 and 10,811.81

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Solution

The fourth proportional to 40,391.67, 60,582.86 and 10,811.81 is: 16,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,391.67 : 60,582.86 = 10,811.81 : x
  2. Step 2: Convert to fraction form
    40,391.67/60,582.86 = 10,811.81/x
  3. Step 3: Cross multiply
    40,391.67x = 60,582.86 × 10,811.81
  4. Step 4: Simplify right side
    40,391.67x = 655,010,371.58
  5. Step 5: Solve for x
    x = 655,010,371.58/40,391.67
  6. Step 6: Final answer
    x = 16,216.47

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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.