Home / 31,220.86-43,084.83-17,609.08

Finding the Fourth Proportional to 31,220.86, 43,084.83 and 17,609.08

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Solution

The fourth proportional to 31,220.86, 43,084.83 and 17,609.08 is: 24,300.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,220.86 : 43,084.83 = 17,609.08 : x
  2. Step 2: Convert to fraction form
    31,220.86/43,084.83 = 17,609.08/x
  3. Step 3: Cross multiply
    31,220.86x = 43,084.83 × 17,609.08
  4. Step 4: Simplify right side
    31,220.86x = 758,684,218.26
  5. Step 5: Solve for x
    x = 758,684,218.26/31,220.86
  6. Step 6: Final answer
    x = 24,300.55

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1.5x scale

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.