Home / 31,182.42-46,772.22-11,459.54

Finding the Fourth Proportional to 31,182.42, 46,772.22 and 11,459.54

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Solution

The fourth proportional to 31,182.42, 46,772.22 and 11,459.54 is: 17,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,182.42 : 46,772.22 = 11,459.54 : x
  2. Step 2: Convert to fraction form
    31,182.42/46,772.22 = 11,459.54/x
  3. Step 3: Cross multiply
    31,182.42x = 46,772.22 × 11,459.54
  4. Step 4: Simplify right side
    31,182.42x = 535,988,125.98
  5. Step 5: Solve for x
    x = 535,988,125.98/31,182.42
  6. Step 6: Final answer
    x = 17,188.79

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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.