Home / 29,023.06-43,551-12,381.52

Finding the Fourth Proportional to 29,023.06, 43,551 and 12,381.52

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Solution

The fourth proportional to 29,023.06, 43,551 and 12,381.52 is: 18,579.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,023.06 : 43,551 = 12,381.52 : x
  2. Step 2: Convert to fraction form
    29,023.06/43,551 = 12,381.52/x
  3. Step 3: Cross multiply
    29,023.06x = 43,551 × 12,381.52
  4. Step 4: Simplify right side
    29,023.06x = 539,227,577.52
  5. Step 5: Solve for x
    x = 539,227,577.52/29,023.06
  6. Step 6: Final answer
    x = 18,579.28

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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.