Home / 29,018.18-43,539.58-15,855.18

Finding the Fourth Proportional to 29,018.18, 43,539.58 and 15,855.18

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Solution

The fourth proportional to 29,018.18, 43,539.58 and 15,855.18 is: 23,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,018.18 : 43,539.58 = 15,855.18 : x
  2. Step 2: Convert to fraction form
    29,018.18/43,539.58 = 15,855.18/x
  3. Step 3: Cross multiply
    29,018.18x = 43,539.58 × 15,855.18
  4. Step 4: Simplify right side
    29,018.18x = 690,327,675.11
  5. Step 5: Solve for x
    x = 690,327,675.11/29,018.18
  6. Step 6: Final answer
    x = 23,789.49

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1.5x scale

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.