Home / 52,181.82-72,006.57-30,957.39

Finding the Fourth Proportional to 52,181.82, 72,006.57 and 30,957.39

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Solution

The fourth proportional to 52,181.82, 72,006.57 and 30,957.39 is: 42,718.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,181.82 : 72,006.57 = 30,957.39 : x
  2. Step 2: Convert to fraction form
    52,181.82/72,006.57 = 30,957.39/x
  3. Step 3: Cross multiply
    52,181.82x = 72,006.57 × 30,957.39
  4. Step 4: Simplify right side
    52,181.82x = 2,229,135,470.05
  5. Step 5: Solve for x
    x = 2,229,135,470.05/52,181.82
  6. Step 6: Final answer
    x = 42,718.62

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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.