Home / 43,692.18-60,305.16-30,932.09

Finding the Fourth Proportional to 43,692.18, 60,305.16 and 30,932.09

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Solution

The fourth proportional to 43,692.18, 60,305.16 and 30,932.09 is: 42,693.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,692.18 : 60,305.16 = 30,932.09 : x
  2. Step 2: Convert to fraction form
    43,692.18/60,305.16 = 30,932.09/x
  3. Step 3: Cross multiply
    43,692.18x = 60,305.16 × 30,932.09
  4. Step 4: Simplify right side
    43,692.18x = 1,865,364,842.42
  5. Step 5: Solve for x
    x = 1,865,364,842.42/43,692.18
  6. Step 6: Final answer
    x = 42,693.34

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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.