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Finding the Fourth Proportional to 34,651.80, 51,889.14 and 19,052.28

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Solution

The fourth proportional to 34,651.80, 51,889.14 and 19,052.28 is: 28,529.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,651.80 : 51,889.14 = 19,052.28 : x
  2. Step 2: Convert to fraction form
    34,651.80/51,889.14 = 19,052.28/x
  3. Step 3: Cross multiply
    34,651.80x = 51,889.14 × 19,052.28
  4. Step 4: Simplify right side
    34,651.80x = 988,606,424.24
  5. Step 5: Solve for x
    x = 988,606,424.24/34,651.80
  6. Step 6: Final answer
    x = 28,529.73

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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.