Home / 31,568.88-47,331.36-15,975.84

Finding the Fourth Proportional to 31,568.88, 47,331.36 and 15,975.84

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Solution

The fourth proportional to 31,568.88, 47,331.36 and 15,975.84 is: 23,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,568.88 : 47,331.36 = 15,975.84 : x
  2. Step 2: Convert to fraction form
    31,568.88/47,331.36 = 15,975.84/x
  3. Step 3: Cross multiply
    31,568.88x = 47,331.36 × 15,975.84
  4. Step 4: Simplify right side
    31,568.88x = 756,158,234.34
  5. Step 5: Solve for x
    x = 756,158,234.34/31,568.88
  6. Step 6: Final answer
    x = 23,952.65

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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.