Home / 35,456.20-48,928.26-21,310.36

Finding the Fourth Proportional to 35,456.20, 48,928.26 and 21,310.36

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Solution

The fourth proportional to 35,456.20, 48,928.26 and 21,310.36 is: 29,407.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,456.20 : 48,928.26 = 21,310.36 : x
  2. Step 2: Convert to fraction form
    35,456.20/48,928.26 = 21,310.36/x
  3. Step 3: Cross multiply
    35,456.20x = 48,928.26 × 21,310.36
  4. Step 4: Simplify right side
    35,456.20x = 1,042,678,834.77
  5. Step 5: Solve for x
    x = 1,042,678,834.77/35,456.20
  6. Step 6: Final answer
    x = 29,407.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.