Home / 23,473.64-35,028.46-20,981

Finding the Fourth Proportional to 23,473.64, 35,028.46 and 20,981

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Solution

The fourth proportional to 23,473.64, 35,028.46 and 20,981 is: 31,308.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,473.64 : 35,028.46 = 20,981 : x
  2. Step 2: Convert to fraction form
    23,473.64/35,028.46 = 20,981/x
  3. Step 3: Cross multiply
    23,473.64x = 35,028.46 × 20,981
  4. Step 4: Simplify right side
    23,473.64x = 734,932,119.26
  5. Step 5: Solve for x
    x = 734,932,119.26/23,473.64
  6. Step 6: Final answer
    x = 31,308.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.