Home / 51,205.08-76,842.46-31,423.26

Finding the Fourth Proportional to 51,205.08, 76,842.46 and 31,423.26

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Solution

The fourth proportional to 51,205.08, 76,842.46 and 31,423.26 is: 47,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,205.08 : 76,842.46 = 31,423.26 : x
  2. Step 2: Convert to fraction form
    51,205.08/76,842.46 = 31,423.26/x
  3. Step 3: Cross multiply
    51,205.08x = 76,842.46 × 31,423.26
  4. Step 4: Simplify right side
    51,205.08x = 2,414,640,599.62
  5. Step 5: Solve for x
    x = 2,414,640,599.62/51,205.08
  6. Step 6: Final answer
    x = 47,156.27

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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.