Home / 30,408.68-45,617.39-9,350.49

Finding the Fourth Proportional to 30,408.68, 45,617.39 and 9,350.49

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Solution

The fourth proportional to 30,408.68, 45,617.39 and 9,350.49 is: 14,027.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408.68 : 45,617.39 = 9,350.49 : x
  2. Step 2: Convert to fraction form
    30,408.68/45,617.39 = 9,350.49/x
  3. Step 3: Cross multiply
    30,408.68x = 45,617.39 × 9,350.49
  4. Step 4: Simplify right side
    30,408.68x = 426,545,108.40
  5. Step 5: Solve for x
    x = 426,545,108.40/30,408.68
  6. Step 6: Final answer
    x = 14,027.08

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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.