Home / 38,519.30-57,674.64-20,012.42

Finding the Fourth Proportional to 38,519.30, 57,674.64 and 20,012.42

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Solution

The fourth proportional to 38,519.30, 57,674.64 and 20,012.42 is: 29,964.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,519.30 : 57,674.64 = 20,012.42 : x
  2. Step 2: Convert to fraction form
    38,519.30/57,674.64 = 20,012.42/x
  3. Step 3: Cross multiply
    38,519.30x = 57,674.64 × 20,012.42
  4. Step 4: Simplify right side
    38,519.30x = 1,154,209,119.03
  5. Step 5: Solve for x
    x = 1,154,209,119.03/38,519.30
  6. Step 6: Final answer
    x = 29,964.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.