Home / 54,693.18-82,039.77-31,303.22

Finding the Fourth Proportional to 54,693.18, 82,039.77 and 31,303.22

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Solution

The fourth proportional to 54,693.18, 82,039.77 and 31,303.22 is: 46,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,693.18 : 82,039.77 = 31,303.22 : x
  2. Step 2: Convert to fraction form
    54,693.18/82,039.77 = 31,303.22/x
  3. Step 3: Cross multiply
    54,693.18x = 82,039.77 × 31,303.22
  4. Step 4: Simplify right side
    54,693.18x = 2,568,108,558.86
  5. Step 5: Solve for x
    x = 2,568,108,558.86/54,693.18
  6. Step 6: Final answer
    x = 46,954.82

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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.