Home / 32,859.29-45,330-21,523.88

Finding the Fourth Proportional to 32,859.29, 45,330 and 21,523.88

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Solution

The fourth proportional to 32,859.29, 45,330 and 21,523.88 is: 29,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,859.29 : 45,330 = 21,523.88 : x
  2. Step 2: Convert to fraction form
    32,859.29/45,330 = 21,523.88/x
  3. Step 3: Cross multiply
    32,859.29x = 45,330 × 21,523.88
  4. Step 4: Simplify right side
    32,859.29x = 975,677,253.75
  5. Step 5: Solve for x
    x = 975,677,253.75/32,859.29
  6. Step 6: Final answer
    x = 29,692.59

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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.