Home / 32,993.81-45,519.52-21,669.44

Finding the Fourth Proportional to 32,993.81, 45,519.52 and 21,669.44

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Solution

The fourth proportional to 32,993.81, 45,519.52 and 21,669.44 is: 29,895.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,993.81 : 45,519.52 = 21,669.44 : x
  2. Step 2: Convert to fraction form
    32,993.81/45,519.52 = 21,669.44/x
  3. Step 3: Cross multiply
    32,993.81x = 45,519.52 × 21,669.44
  4. Step 4: Simplify right side
    32,993.81x = 986,382,330.34
  5. Step 5: Solve for x
    x = 986,382,330.34/32,993.81
  6. Step 6: Final answer
    x = 29,895.99

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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.