Home / 35,489.24-48,975.06-20,382.88

Finding the Fourth Proportional to 35,489.24, 48,975.06 and 20,382.88

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Solution

The fourth proportional to 35,489.24, 48,975.06 and 20,382.88 is: 28,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,489.24 : 48,975.06 = 20,382.88 : x
  2. Step 2: Convert to fraction form
    35,489.24/48,975.06 = 20,382.88/x
  3. Step 3: Cross multiply
    35,489.24x = 48,975.06 × 20,382.88
  4. Step 4: Simplify right side
    35,489.24x = 998,252,575.95
  5. Step 5: Solve for x
    x = 998,252,575.95/35,489.24
  6. Step 6: Final answer
    x = 28,128.32

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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.