Home / 35,543.25-49,049.66-20,438.88

Finding the Fourth Proportional to 35,543.25, 49,049.66 and 20,438.88

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Solution

The fourth proportional to 35,543.25, 49,049.66 and 20,438.88 is: 28,205.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,543.25 : 49,049.66 = 20,438.88 : x
  2. Step 2: Convert to fraction form
    35,543.25/49,049.66 = 20,438.88/x
  3. Step 3: Cross multiply
    35,543.25x = 49,049.66 × 20,438.88
  4. Step 4: Simplify right side
    35,543.25x = 1,002,520,012.59
  5. Step 5: Solve for x
    x = 1,002,520,012.59/35,543.25
  6. Step 6: Final answer
    x = 28,205.64

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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.