Home / 31,255.56-43,133.03-17,827.61

Finding the Fourth Proportional to 31,255.56, 43,133.03 and 17,827.61

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Solution

The fourth proportional to 31,255.56, 43,133.03 and 17,827.61 is: 24,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.56 : 43,133.03 = 17,827.61 : x
  2. Step 2: Convert to fraction form
    31,255.56/43,133.03 = 17,827.61/x
  3. Step 3: Cross multiply
    31,255.56x = 43,133.03 × 17,827.61
  4. Step 4: Simplify right side
    31,255.56x = 768,958,532.16
  5. Step 5: Solve for x
    x = 768,958,532.16/31,255.56
  6. Step 6: Final answer
    x = 24,602.30

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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.