Home / 31,638.46-43,659.72-17,298.04

Finding the Fourth Proportional to 31,638.46, 43,659.72 and 17,298.04

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Solution

The fourth proportional to 31,638.46, 43,659.72 and 17,298.04 is: 23,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,638.46 : 43,659.72 = 17,298.04 : x
  2. Step 2: Convert to fraction form
    31,638.46/43,659.72 = 17,298.04/x
  3. Step 3: Cross multiply
    31,638.46x = 43,659.72 × 17,298.04
  4. Step 4: Simplify right side
    31,638.46x = 755,227,582.95
  5. Step 5: Solve for x
    x = 755,227,582.95/31,638.46
  6. Step 6: Final answer
    x = 23,870.55

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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.