Home / 31,222.55-46,822.07-10,157.09

Finding the Fourth Proportional to 31,222.55, 46,822.07 and 10,157.09

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Solution

The fourth proportional to 31,222.55, 46,822.07 and 10,157.09 is: 15,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,222.55 : 46,822.07 = 10,157.09 : x
  2. Step 2: Convert to fraction form
    31,222.55/46,822.07 = 10,157.09/x
  3. Step 3: Cross multiply
    31,222.55x = 46,822.07 × 10,157.09
  4. Step 4: Simplify right side
    31,222.55x = 475,575,694.08
  5. Step 5: Solve for x
    x = 475,575,694.08/31,222.55
  6. Step 6: Final answer
    x = 15,231.80

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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.