Home / 35,731.99-49,302.25-20,621.44

Finding the Fourth Proportional to 35,731.99, 49,302.25 and 20,621.44

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Solution

The fourth proportional to 35,731.99, 49,302.25 and 20,621.44 is: 28,453.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,731.99 : 49,302.25 = 20,621.44 : x
  2. Step 2: Convert to fraction form
    35,731.99/49,302.25 = 20,621.44/x
  3. Step 3: Cross multiply
    35,731.99x = 49,302.25 × 20,621.44
  4. Step 4: Simplify right side
    35,731.99x = 1,016,683,238.98
  5. Step 5: Solve for x
    x = 1,016,683,238.98/35,731.99
  6. Step 6: Final answer
    x = 28,453.03

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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.