Home / 55,450.30-76,521.33-31,576.99

Finding the Fourth Proportional to 55,450.30, 76,521.33 and 31,576.99

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Solution

The fourth proportional to 55,450.30, 76,521.33 and 31,576.99 is: 43,576.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,450.30 : 76,521.33 = 31,576.99 : x
  2. Step 2: Convert to fraction form
    55,450.30/76,521.33 = 31,576.99/x
  3. Step 3: Cross multiply
    55,450.30x = 76,521.33 × 31,576.99
  4. Step 4: Simplify right side
    55,450.30x = 2,416,312,889.59
  5. Step 5: Solve for x
    x = 2,416,312,889.59/55,450.30
  6. Step 6: Final answer
    x = 43,576.19

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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.