Home / 29,006.87-40,029.48-16,431.62

Finding the Fourth Proportional to 29,006.87, 40,029.48 and 16,431.62

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Solution

The fourth proportional to 29,006.87, 40,029.48 and 16,431.62 is: 22,675.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,006.87 : 40,029.48 = 16,431.62 : x
  2. Step 2: Convert to fraction form
    29,006.87/40,029.48 = 16,431.62/x
  3. Step 3: Cross multiply
    29,006.87x = 40,029.48 × 16,431.62
  4. Step 4: Simplify right side
    29,006.87x = 657,749,004.01
  5. Step 5: Solve for x
    x = 657,749,004.01/29,006.87
  6. Step 6: Final answer
    x = 22,675.63

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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.