Home / 31,215.96-46,819.44-10,157.94

Finding the Fourth Proportional to 31,215.96, 46,819.44 and 10,157.94

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Solution

The fourth proportional to 31,215.96, 46,819.44 and 10,157.94 is: 15,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,215.96 : 46,819.44 = 10,157.94 : x
  2. Step 2: Convert to fraction form
    31,215.96/46,819.44 = 10,157.94/x
  3. Step 3: Cross multiply
    31,215.96x = 46,819.44 × 10,157.94
  4. Step 4: Simplify right side
    31,215.96x = 475,589,062.35
  5. Step 5: Solve for x
    x = 475,589,062.35/31,215.96
  6. Step 6: Final answer
    x = 15,235.45

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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.