Home / 35,961.12-53,942.18-13,775.62

Finding the Fourth Proportional to 35,961.12, 53,942.18 and 13,775.62

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Solution

The fourth proportional to 35,961.12, 53,942.18 and 13,775.62 is: 20,663.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,961.12 : 53,942.18 = 13,775.62 : x
  2. Step 2: Convert to fraction form
    35,961.12/53,942.18 = 13,775.62/x
  3. Step 3: Cross multiply
    35,961.12x = 53,942.18 × 13,775.62
  4. Step 4: Simplify right side
    35,961.12x = 743,086,973.65
  5. Step 5: Solve for x
    x = 743,086,973.65/35,961.12
  6. Step 6: Final answer
    x = 20,663.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.