Home / 35,296.68-48,709.58-20,189.51

Finding the Fourth Proportional to 35,296.68, 48,709.58 and 20,189.51

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Solution

The fourth proportional to 35,296.68, 48,709.58 and 20,189.51 is: 27,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,296.68 : 48,709.58 = 20,189.51 : x
  2. Step 2: Convert to fraction form
    35,296.68/48,709.58 = 20,189.51/x
  3. Step 3: Cross multiply
    35,296.68x = 48,709.58 × 20,189.51
  4. Step 4: Simplify right side
    35,296.68x = 983,422,552.51
  5. Step 5: Solve for x
    x = 983,422,552.51/35,296.68
  6. Step 6: Final answer
    x = 27,861.62

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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.