Home / 31,546.98-47,349.63-15,975.54

Finding the Fourth Proportional to 31,546.98, 47,349.63 and 15,975.54

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Solution

The fourth proportional to 31,546.98, 47,349.63 and 15,975.54 is: 23,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,546.98 : 47,349.63 = 15,975.54 : x
  2. Step 2: Convert to fraction form
    31,546.98/47,349.63 = 15,975.54/x
  3. Step 3: Cross multiply
    31,546.98x = 47,349.63 × 15,975.54
  4. Step 4: Simplify right side
    31,546.98x = 756,435,908.05
  5. Step 5: Solve for x
    x = 756,435,908.05/31,546.98
  6. Step 6: Final answer
    x = 23,978.08

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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.