Home / 31,872.66-43,984.53-17,725.20

Finding the Fourth Proportional to 31,872.66, 43,984.53 and 17,725.20

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Solution

The fourth proportional to 31,872.66, 43,984.53 and 17,725.20 is: 24,460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872.66 : 43,984.53 = 17,725.20 : x
  2. Step 2: Convert to fraction form
    31,872.66/43,984.53 = 17,725.20/x
  3. Step 3: Cross multiply
    31,872.66x = 43,984.53 × 17,725.20
  4. Step 4: Simplify right side
    31,872.66x = 779,634,591.16
  5. Step 5: Solve for x
    x = 779,634,591.16/31,872.66
  6. Step 6: Final answer
    x = 24,460.92

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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.