Home / 55,367.85-76,409.42-31,493.91

Finding the Fourth Proportional to 55,367.85, 76,409.42 and 31,493.91

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Solution

The fourth proportional to 55,367.85, 76,409.42 and 31,493.91 is: 43,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,367.85 : 76,409.42 = 31,493.91 : x
  2. Step 2: Convert to fraction form
    55,367.85/76,409.42 = 31,493.91/x
  3. Step 3: Cross multiply
    55,367.85x = 76,409.42 × 31,493.91
  4. Step 4: Simplify right side
    55,367.85x = 2,406,431,239.16
  5. Step 5: Solve for x
    x = 2,406,431,239.16/55,367.85
  6. Step 6: Final answer
    x = 43,462.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.