Home / 35,467.20-48,959.64-21,321.36

Finding the Fourth Proportional to 35,467.20, 48,959.64 and 21,321.36

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Solution

The fourth proportional to 35,467.20, 48,959.64 and 21,321.36 is: 29,432.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,467.20 : 48,959.64 = 21,321.36 : x
  2. Step 2: Convert to fraction form
    35,467.20/48,959.64 = 21,321.36/x
  3. Step 3: Cross multiply
    35,467.20x = 48,959.64 × 21,321.36
  4. Step 4: Simplify right side
    35,467.20x = 1,043,886,109.91
  5. Step 5: Solve for x
    x = 1,043,886,109.91/35,467.20
  6. Step 6: Final answer
    x = 29,432.44

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1.5x scale

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.