Home / 31,988.06-44,129.25-18,551.54

Finding the Fourth Proportional to 31,988.06, 44,129.25 and 18,551.54

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Solution

The fourth proportional to 31,988.06, 44,129.25 and 18,551.54 is: 25,592.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,988.06 : 44,129.25 = 18,551.54 : x
  2. Step 2: Convert to fraction form
    31,988.06/44,129.25 = 18,551.54/x
  3. Step 3: Cross multiply
    31,988.06x = 44,129.25 × 18,551.54
  4. Step 4: Simplify right side
    31,988.06x = 818,665,546.55
  5. Step 5: Solve for x
    x = 818,665,546.55/31,988.06
  6. Step 6: Final answer
    x = 25,592.85

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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.