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Finding the Fourth Proportional to 51,302.88, 76,866.80 and 41,446.80

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Solution

The fourth proportional to 51,302.88, 76,866.80 and 41,446.80 is: 62,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,302.88 : 76,866.80 = 41,446.80 : x
  2. Step 2: Convert to fraction form
    51,302.88/76,866.80 = 41,446.80/x
  3. Step 3: Cross multiply
    51,302.88x = 76,866.80 × 41,446.80
  4. Step 4: Simplify right side
    51,302.88x = 3,185,882,886.24
  5. Step 5: Solve for x
    x = 3,185,882,886.24/51,302.88
  6. Step 6: Final answer
    x = 62,099.49

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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.