Home / 35,093.08-48,405.82-20,935

Finding the Fourth Proportional to 35,093.08, 48,405.82 and 20,935

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Solution

The fourth proportional to 35,093.08, 48,405.82 and 20,935 is: 28,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,093.08 : 48,405.82 = 20,935 : x
  2. Step 2: Convert to fraction form
    35,093.08/48,405.82 = 20,935/x
  3. Step 3: Cross multiply
    35,093.08x = 48,405.82 × 20,935
  4. Step 4: Simplify right side
    35,093.08x = 1,013,375,841.70
  5. Step 5: Solve for x
    x = 1,013,375,841.70/35,093.08
  6. Step 6: Final answer
    x = 28,876.80

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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.