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Finding the Fourth Proportional to 34,232.40, 51,310.20 and 19,448.40

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Solution

The fourth proportional to 34,232.40, 51,310.20 and 19,448.40 is: 29,150.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,232.40 : 51,310.20 = 19,448.40 : x
  2. Step 2: Convert to fraction form
    34,232.40/51,310.20 = 19,448.40/x
  3. Step 3: Cross multiply
    34,232.40x = 51,310.20 × 19,448.40
  4. Step 4: Simplify right side
    34,232.40x = 997,901,293.68
  5. Step 5: Solve for x
    x = 997,901,293.68/34,232.40
  6. Step 6: Final answer
    x = 29,150.78

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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.