Home / 31,579.35-43,579.41-17,432.10

Finding the Fourth Proportional to 31,579.35, 43,579.41 and 17,432.10

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Solution

The fourth proportional to 31,579.35, 43,579.41 and 17,432.10 is: 24,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,579.35 : 43,579.41 = 17,432.10 : x
  2. Step 2: Convert to fraction form
    31,579.35/43,579.41 = 17,432.10/x
  3. Step 3: Cross multiply
    31,579.35x = 43,579.41 × 17,432.10
  4. Step 4: Simplify right side
    31,579.35x = 759,680,633.06
  5. Step 5: Solve for x
    x = 759,680,633.06/31,579.35
  6. Step 6: Final answer
    x = 24,056.25

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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.