Home / 21,348.82-32,023.16-5,766.45

Finding the Fourth Proportional to 21,348.82, 32,023.16 and 5,766.45

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Solution

The fourth proportional to 21,348.82, 32,023.16 and 5,766.45 is: 8,649.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348.82 : 32,023.16 = 5,766.45 : x
  2. Step 2: Convert to fraction form
    21,348.82/32,023.16 = 5,766.45/x
  3. Step 3: Cross multiply
    21,348.82x = 32,023.16 × 5,766.45
  4. Step 4: Simplify right side
    21,348.82x = 184,659,950.98
  5. Step 5: Solve for x
    x = 184,659,950.98/21,348.82
  6. Step 6: Final answer
    x = 8,649.66

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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.