Home / 30,017.37-41,438.44-19,278.27

Finding the Fourth Proportional to 30,017.37, 41,438.44 and 19,278.27

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Solution

The fourth proportional to 30,017.37, 41,438.44 and 19,278.27 is: 26,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,017.37 : 41,438.44 = 19,278.27 : x
  2. Step 2: Convert to fraction form
    30,017.37/41,438.44 = 19,278.27/x
  3. Step 3: Cross multiply
    30,017.37x = 41,438.44 × 19,278.27
  4. Step 4: Simplify right side
    30,017.37x = 798,861,350.36
  5. Step 5: Solve for x
    x = 798,861,350.36/30,017.37
  6. Step 6: Final answer
    x = 26,613.30

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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.