Home / 55,176.80-76,148.91-31,310.96

Finding the Fourth Proportional to 55,176.80, 76,148.91 and 31,310.96

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Solution

The fourth proportional to 55,176.80, 76,148.91 and 31,310.96 is: 43,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,176.80 : 76,148.91 = 31,310.96 : x
  2. Step 2: Convert to fraction form
    55,176.80/76,148.91 = 31,310.96/x
  3. Step 3: Cross multiply
    55,176.80x = 76,148.91 × 31,310.96
  4. Step 4: Simplify right side
    55,176.80x = 2,384,295,094.31
  5. Step 5: Solve for x
    x = 2,384,295,094.31/55,176.80
  6. Step 6: Final answer
    x = 43,211.92

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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.