Home / 55,474.87-76,536.59-31,584.62

Finding the Fourth Proportional to 55,474.87, 76,536.59 and 31,584.62

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Solution

The fourth proportional to 55,474.87, 76,536.59 and 31,584.62 is: 43,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,474.87 : 76,536.59 = 31,584.62 : x
  2. Step 2: Convert to fraction form
    55,474.87/76,536.59 = 31,584.62/x
  3. Step 3: Cross multiply
    55,474.87x = 76,536.59 × 31,584.62
  4. Step 4: Simplify right side
    55,474.87x = 2,417,379,111.25
  5. Step 5: Solve for x
    x = 2,417,379,111.25/55,474.87
  6. Step 6: Final answer
    x = 43,576.11

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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.