Home / 31,546.53-43,531.02-18,114.57

Finding the Fourth Proportional to 31,546.53, 43,531.02 and 18,114.57

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Solution

The fourth proportional to 31,546.53, 43,531.02 and 18,114.57 is: 24,996.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,546.53 : 43,531.02 = 18,114.57 : x
  2. Step 2: Convert to fraction form
    31,546.53/43,531.02 = 18,114.57/x
  3. Step 3: Cross multiply
    31,546.53x = 43,531.02 × 18,114.57
  4. Step 4: Simplify right side
    31,546.53x = 788,545,708.96
  5. Step 5: Solve for x
    x = 788,545,708.96/31,546.53
  6. Step 6: Final answer
    x = 24,996.27

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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.