Home / 30,184.50-45,279.25-9,408

Finding the Fourth Proportional to 30,184.50, 45,279.25 and 9,408

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Solution

The fourth proportional to 30,184.50, 45,279.25 and 9,408 is: 14,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,184.50 : 45,279.25 = 9,408 : x
  2. Step 2: Convert to fraction form
    30,184.50/45,279.25 = 9,408/x
  3. Step 3: Cross multiply
    30,184.50x = 45,279.25 × 9,408
  4. Step 4: Simplify right side
    30,184.50x = 425,987,160.48
  5. Step 5: Solve for x
    x = 425,987,160.48/30,184.50
  6. Step 6: Final answer
    x = 14,112.78

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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.