Home / 30,408.15-41,956.50-17,653.99

Finding the Fourth Proportional to 30,408.15, 41,956.50 and 17,653.99

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Solution

The fourth proportional to 30,408.15, 41,956.50 and 17,653.99 is: 24,358.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408.15 : 41,956.50 = 17,653.99 : x
  2. Step 2: Convert to fraction form
    30,408.15/41,956.50 = 17,653.99/x
  3. Step 3: Cross multiply
    30,408.15x = 41,956.50 × 17,653.99
  4. Step 4: Simplify right side
    30,408.15x = 740,699,631.44
  5. Step 5: Solve for x
    x = 740,699,631.44/30,408.15
  6. Step 6: Final answer
    x = 24,358.59

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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.