Home / 29,493.77-40,710.30-20,067.80

Finding the Fourth Proportional to 29,493.77, 40,710.30 and 20,067.80

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Solution

The fourth proportional to 29,493.77, 40,710.30 and 20,067.80 is: 27,699.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,493.77 : 40,710.30 = 20,067.80 : x
  2. Step 2: Convert to fraction form
    29,493.77/40,710.30 = 20,067.80/x
  3. Step 3: Cross multiply
    29,493.77x = 40,710.30 × 20,067.80
  4. Step 4: Simplify right side
    29,493.77x = 816,966,158.34
  5. Step 5: Solve for x
    x = 816,966,158.34/29,493.77
  6. Step 6: Final answer
    x = 27,699.62

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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.