Home / 31,530.12-43,511.85-19,593.96

Finding the Fourth Proportional to 31,530.12, 43,511.85 and 19,593.96

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Solution

The fourth proportional to 31,530.12, 43,511.85 and 19,593.96 is: 27,039.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,530.12 : 43,511.85 = 19,593.96 : x
  2. Step 2: Convert to fraction form
    31,530.12/43,511.85 = 19,593.96/x
  3. Step 3: Cross multiply
    31,530.12x = 43,511.85 × 19,593.96
  4. Step 4: Simplify right side
    31,530.12x = 852,569,448.43
  5. Step 5: Solve for x
    x = 852,569,448.43/31,530.12
  6. Step 6: Final answer
    x = 27,039.84

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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.