Home / 31,872.18-43,983.65-17,725.03

Finding the Fourth Proportional to 31,872.18, 43,983.65 and 17,725.03

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Solution

The fourth proportional to 31,872.18, 43,983.65 and 17,725.03 is: 24,460.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872.18 : 43,983.65 = 17,725.03 : x
  2. Step 2: Convert to fraction form
    31,872.18/43,983.65 = 17,725.03/x
  3. Step 3: Cross multiply
    31,872.18x = 43,983.65 × 17,725.03
  4. Step 4: Simplify right side
    31,872.18x = 779,611,295.84
  5. Step 5: Solve for x
    x = 779,611,295.84/31,872.18
  6. Step 6: Final answer
    x = 24,460.56

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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.