Home / 31,505.37-47,344.86-16,725.36

Finding the Fourth Proportional to 31,505.37, 47,344.86 and 16,725.36

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Solution

The fourth proportional to 31,505.37, 47,344.86 and 16,725.36 is: 25,134.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.37 : 47,344.86 = 16,725.36 : x
  2. Step 2: Convert to fraction form
    31,505.37/47,344.86 = 16,725.36/x
  3. Step 3: Cross multiply
    31,505.37x = 47,344.86 × 16,725.36
  4. Step 4: Simplify right side
    31,505.37x = 791,859,827.65
  5. Step 5: Solve for x
    x = 791,859,827.65/31,505.37
  6. Step 6: Final answer
    x = 25,134.12

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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.