Home / 20,047.64-30,105.48-17,418.38

Finding the Fourth Proportional to 20,047.64, 30,105.48 and 17,418.38

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Solution

The fourth proportional to 20,047.64, 30,105.48 and 17,418.38 is: 26,157.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047.64 : 30,105.48 = 17,418.38 : x
  2. Step 2: Convert to fraction form
    20,047.64/30,105.48 = 17,418.38/x
  3. Step 3: Cross multiply
    20,047.64x = 30,105.48 × 17,418.38
  4. Step 4: Simplify right side
    20,047.64x = 524,388,690.72
  5. Step 5: Solve for x
    x = 524,388,690.72/20,047.64
  6. Step 6: Final answer
    x = 26,157.13

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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.