Home / 31,592.88-47,367.36-15,999.84

Finding the Fourth Proportional to 31,592.88, 47,367.36 and 15,999.84

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Solution

The fourth proportional to 31,592.88, 47,367.36 and 15,999.84 is: 23,988.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,592.88 : 47,367.36 = 15,999.84 : x
  2. Step 2: Convert to fraction form
    31,592.88/47,367.36 = 15,999.84/x
  3. Step 3: Cross multiply
    31,592.88x = 47,367.36 × 15,999.84
  4. Step 4: Simplify right side
    31,592.88x = 757,870,181.22
  5. Step 5: Solve for x
    x = 757,870,181.22/31,592.88
  6. Step 6: Final answer
    x = 23,988.64

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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.