Home / 38,400.99-52,996.44-21,410.73

Finding the Fourth Proportional to 38,400.99, 52,996.44 and 21,410.73

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Solution

The fourth proportional to 38,400.99, 52,996.44 and 21,410.73 is: 29,548.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,400.99 : 52,996.44 = 21,410.73 : x
  2. Step 2: Convert to fraction form
    38,400.99/52,996.44 = 21,410.73/x
  3. Step 3: Cross multiply
    38,400.99x = 52,996.44 × 21,410.73
  4. Step 4: Simplify right side
    38,400.99x = 1,134,692,467.80
  5. Step 5: Solve for x
    x = 1,134,692,467.80/38,400.99
  6. Step 6: Final answer
    x = 29,548.52

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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.