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Finding the Fourth Proportional to 43,703.70, 65,512.35 and 17,373.30

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Solution

The fourth proportional to 43,703.70, 65,512.35 and 17,373.30 is: 26,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,703.70 : 65,512.35 = 17,373.30 : x
  2. Step 2: Convert to fraction form
    43,703.70/65,512.35 = 17,373.30/x
  3. Step 3: Cross multiply
    43,703.70x = 65,512.35 × 17,373.30
  4. Step 4: Simplify right side
    43,703.70x = 1,138,165,710.26
  5. Step 5: Solve for x
    x = 1,138,165,710.26/43,703.70
  6. Step 6: Final answer
    x = 26,042.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.