Home / 30,408.66-45,594.35-10,689.48

Finding the Fourth Proportional to 30,408.66, 45,594.35 and 10,689.48

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Solution

The fourth proportional to 30,408.66, 45,594.35 and 10,689.48 is: 16,027.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408.66 : 45,594.35 = 10,689.48 : x
  2. Step 2: Convert to fraction form
    30,408.66/45,594.35 = 10,689.48/x
  3. Step 3: Cross multiply
    30,408.66x = 45,594.35 × 10,689.48
  4. Step 4: Simplify right side
    30,408.66x = 487,379,892.44
  5. Step 5: Solve for x
    x = 487,379,892.44/30,408.66
  6. Step 6: Final answer
    x = 16,027.67

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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.