Home / 51,007.60-76,511.40-31,049.20

Finding the Fourth Proportional to 51,007.60, 76,511.40 and 31,049.20

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Solution

The fourth proportional to 51,007.60, 76,511.40 and 31,049.20 is: 46,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,007.60 : 76,511.40 = 31,049.20 : x
  2. Step 2: Convert to fraction form
    51,007.60/76,511.40 = 31,049.20/x
  3. Step 3: Cross multiply
    51,007.60x = 76,511.40 × 31,049.20
  4. Step 4: Simplify right side
    51,007.60x = 2,375,617,760.88
  5. Step 5: Solve for x
    x = 2,375,617,760.88/51,007.60
  6. Step 6: Final answer
    x = 46,573.80

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1.5x scale

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.