Home / 36,124.46-49,740.99-31,623.02

Finding the Fourth Proportional to 36,124.46, 49,740.99 and 31,623.02

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Solution

The fourth proportional to 36,124.46, 49,740.99 and 31,623.02 is: 43,542.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,124.46 : 49,740.99 = 31,623.02 : x
  2. Step 2: Convert to fraction form
    36,124.46/49,740.99 = 31,623.02/x
  3. Step 3: Cross multiply
    36,124.46x = 49,740.99 × 31,623.02
  4. Step 4: Simplify right side
    36,124.46x = 1,572,960,321.59
  5. Step 5: Solve for x
    x = 1,572,960,321.59/36,124.46
  6. Step 6: Final answer
    x = 43,542.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.